F2 Finin2min
Companies Act Master SeriesChapter 10

Chapter X
Audit and Auditors

A complete statutory-audit governance guide covering appointment, rotation, independence, removal and resignation, audit powers and duties, Standards on Auditing, Rule 11, CARO 2020, fraud reporting, prohibited services, penalties and cost audit.

Sections 139-14810 statutory sectionsReviewed: 26 June 2026
Chapter architecture

Seven layers of audit governance

1. Appoint

Committee/Board evaluation, member appointment, CAG routes and filings.

2. Protect independence

Eligibility, financial limits, network services, ceiling and rotation.

3. Obtain evidence

Books, branches, group records, confirmations, estimates and controls.

4. Apply standards

SAs, ethics, quality management, materiality and scepticism.

5. Report

Opinion, section 143(3), Rule 11, CARO, IFC and sector annexures.

6. Escalate

Fraud, CAG, NFRA, regulator, resignation and modified reporting.

7. Cost assurance

Cost records, cost-audit thresholds, CRA forms and reconciliation.

Responsibility chain: Management prepares and controls the financial information; the Board and Audit Committee govern it; the auditor independently obtains reasonable assurance and reports. Audit does not transfer management responsibility to the auditor.
QuestionControl answer
Who appoints?Members, except specified CAG routes and first/casual vacancy mechanics.
Who owns independence?Auditor and company both maintain screening; approval cannot cure a statutory prohibition.
What is the output?Opinion plus every applicable statutory annexure, report and escalation.
What makes it defensible?Evidence, judgement, scepticism, documentation, quality review and reconciliation.
Full statutory chapter

Sections 139 to 148 - Bare Act and simple decode

The expandable text reproduces the consolidated statutory wording extracted from the official India Code Act. The decode beside it explains the operative control without replacing the law.

SECTION 139

Appointment of auditors

Purpose: Build the appointment, tenure, rotation and vacancy architecture.

Full consolidated Bare Act text
139. Appointment of auditors.

Clause-by-clause decode

  • Every company appoints an auditor at the first AGM; the standard tenure runs to the conclusion of the sixth AGM.
  • Written consent and an eligibility certificate are obtained before appointment; notice of appointment is filed with the Registrar within 15 days.
  • Listed companies and prescribed classes follow mandatory rotation: individual - one 5-year term; firm - two consecutive 5-year terms; then a 5-year cooling-off.
  • CAG appoints auditors of Government companies. First-auditor and casual-vacancy timelines differ for Government and other companies.
  • Where an Audit Committee is required, its recommendation feeds every appointment and casual vacancy.
Finin2min decode: A five-year engagement letter is not the legal appointment by itself. The members appoint at the AGM, subject to eligibility, rotation and filings.
Practical example: A private company with paid-up share capital of Rs 60 crore is within the prescribed rotation class even if it is unlisted.
SECTION 140

Removal, resignation and special notice

Purpose: Control an auditor change without suppressing auditor rights or regulatory visibility.

Full consolidated Bare Act text
140. Removal, resignation of auditor and giving of special notice.

Clause-by-clause decode

  • Early removal requires a special resolution and prior Central Government approval, after giving the auditor a hearing.
  • A resigning auditor files the prescribed statement within 30 days with the company and Registrar; Government-company resignations also go to the CAG.
  • Special notice is generally required to appoint another person instead of a retiring auditor or expressly not reappoint the retiring auditor, except at completion of a rotation tenure.
  • The retiring auditor has representation and hearing rights, subject to Tribunal control against abuse.
  • The Tribunal may direct a change where the auditor acted fraudulently, abetted or colluded in fraud; a final order triggers five-year ineligibility and section 447 exposure.
Finin2min decode: Management cannot “accept” an auditor resignation informally and wait until the next AGM. The statement and vacancy process start immediately.
Practical example: An auditor resigning on 10 July should file ADT-3 by 9 August, with reasons and relevant facts, rather than a vague one-line explanation.
SECTION 141

Eligibility, qualifications and disqualifications

Purpose: Protect competence and independence before and throughout the engagement.

Full consolidated Bare Act text
141. Eligibility, qualifications and disqualifications of auditors.

Clause-by-clause decode

  • Only a chartered accountant, or a qualifying firm/LLP with the required majority of partners practising in India, is eligible. Only CA partners may act and sign.
  • Disqualifications cover employment and officer relationships, financial interests, indebtedness/guarantees beyond prescribed limits, prohibited business relationships, close KMP relationships, excessive audit ceiling, recent fraud conviction and section 144 services.
  • The statutory ceiling is 20 company audits per person/partner, subject to prescribed exclusions when the ceiling is counted.
  • Eligibility is continuous: a later disqualification automatically vacates office and creates a casual vacancy.
Finin2min decode: Independence is a live control, not a certificate collected once a year. Partner, relative, network and group-company relationships require continuous monitoring.
Practical example: If the engagement partner becomes indebted to the holding company beyond the prescribed limit during the year, the firm must assess immediate disqualification and vacancy consequences.
SECTION 142

Remuneration of auditors

Purpose: Separate shareholder-approved audit remuneration from other services.

Full consolidated Bare Act text
142. Remuneration of auditors.

Clause-by-clause decode

  • The general meeting fixes audit remuneration or determines the manner of fixing it.
  • The Board may fix the remuneration of the first auditor appointed by it.
  • Audit remuneration includes expenses and facilities connected with audit, but excludes separate remuneration for other services.
Finin2min decode: Do not bundle statutory-audit fees, tax fees, systems work and reimbursements into one opaque approval.
Practical example: The AGM may authorise the Board to determine the statutory-audit fee within a disclosed framework, while separately approving permitted non-audit services.
SECTION 143

Powers, duties and auditing standards

Purpose: Convert unrestricted evidence access into a defensible opinion and statutory reporting package.

Full consolidated Bare Act text
143. Powers and duties of auditors and auditing standards.

Clause-by-clause decode

  • The auditor has access at all times to books and vouchers and may demand information and explanations. Holding-company access extends to subsidiary and associate records relevant to consolidation.
  • The member report addresses true and fair view and the matters in section 143(3), the Rules and CARO where applicable. Qualifications and negative answers require reasons.
  • Government-company audits include CAG directions, supplementary audit/comment and possible test audit. Branch audits feed the principal auditor.
  • Auditors comply with Standards on Auditing. Until standards are notified by Government, ICAI standards are deemed standards under section 143(10).
  • Fraud reporting uses a prescribed threshold and route. Good-faith reporting is protected; the framework also extends to cost auditors and practising company secretaries for their statutory engagements.
Finin2min decode: The audit opinion is only one layer. Section 143, Rule 11, CARO, IFC reporting, branch reporting and fraud reporting can each create separate conclusions and timelines.
Practical example: An unmodified opinion does not cure omission of a required CARO clause or an unsupported Rule 11(g) audit-trail conclusion.
SECTION 144

Auditor not to render certain services

Purpose: Prevent self-review and management-participation threats across the network.

Full consolidated Bare Act text
144. Auditor not to render certain services.

Clause-by-clause decode

  • Prohibited services include accounting/bookkeeping, internal audit, financial-information-system design/implementation, actuarial, investment advisory, investment banking, outsourced financial services and management services.
  • The prohibition applies to services rendered directly or indirectly to the company, its holding company or subsidiary.
  • “Indirectly” captures relatives, connected persons, partners, parent/subsidiary/associate entities, significant influence/control and shared names, trade marks or brands.
  • Other services may be provided only when permitted and approved by the Board or Audit Committee, as applicable.
Finin2min decode: Changing the invoice entity does not remove the prohibition. Substance, network, brand and influence are tested.
Practical example: The statutory auditor’s overseas network firm designing the parent’s ERP financial controls can create a section 144 problem even where the Indian audit firm does not invoice the client.
SECTION 145

Signature and reading of adverse matters

Purpose: Make the signer and adverse matters visible to members.

Full consolidated Bare Act text
145. Auditor to sign audit reports, etc.

Clause-by-clause decode

  • The authorised auditor/CA partner signs the audit report and statutory certificates.
  • Qualifications, observations or comments on financial transactions or matters adversely affecting company functioning are read at the general meeting and remain open to member inspection.
Finin2min decode: Signing is not an administrative rubber stamp; it attaches professional and statutory responsibility.
Practical example: The engagement partner should confirm that the final signed PDF, XBRL-linked attachments and printed annual report contain the identical opinion and annexures.
SECTION 146

Auditor attendance at general meetings

Purpose: Give the auditor notice, presence and a right to be heard on audit business.

Full consolidated Bare Act text
146. Auditors to attend general meeting.

Clause-by-clause decode

  • All general-meeting notices and communications are forwarded to the auditor.
  • Unless exempted, the auditor attends personally or through an authorised representative who is qualified to be an auditor.
  • The auditor has a right to be heard on business concerning the auditor.
Finin2min decode: Attendance is a governance right and duty; it is not limited to meetings where accounts are adopted.
Practical example: Where members question a qualification, management should not answer for the auditor or restrict the auditor’s explanation.
SECTION 147

Punishment for contravention

Purpose: Allocate company, officer, auditor, firm and partner consequences.

Full consolidated Bare Act text
147. Punishment for contravention.

Clause-by-clause decode

  • Company/officer defaults under sections 139-146 attract the prescribed statutory fines.
  • Auditor contravention of sections 139, 143, 144 or 145 attracts a fine linked to statutory limits and remuneration.
  • Knowing or wilful deception can trigger imprisonment, a higher fine, refund of remuneration and damages.
  • For firm audits, civil and criminal liability is allocated to the firm and concerned partners under the statutory framework; the proviso limits non-fine criminal liability to concerned partners.
Finin2min decode: Professional-discipline, NFRA, SEBI, tax, fraud and civil actions may run alongside section 147.
Practical example: A prohibited service can create more than a fee issue: independence, audit validity, disciplinary and section 147 consequences must all be assessed.
SECTION 148

Cost records and cost audit

Purpose: Add product/service cost traceability and independent cost assurance for prescribed sectors.

Full consolidated Bare Act text
148. Central Government to specify audit of items of cost in respect of certain companies.

Clause-by-clause decode

  • The Central Government may prescribe classes that must maintain material, labour and other cost particulars.
  • Cost audit applies to prescribed classes crossing the sector and turnover thresholds under the Cost Records and Audit Rules.
  • The Board appoints a cost accountant; members determine/ratify remuneration in the prescribed manner. The statutory financial auditor cannot be the cost auditor.
  • Cost audit is additional to statutory audit. The company must assist, the cost auditor reports to the Board, and the company files the report with explanations within the prescribed timeline.
Finin2min decode: Cost records applicability and cost audit applicability are separate tests. Maintaining CRA-1 records does not automatically mean CRA-3 audit applies, and vice versa cannot occur without Rule 3 coverage.
Practical example: A non-regulated manufacturer with Rs 120 crore total turnover and Rs 40 crore turnover from a covered product generally crosses both cost-audit tests, subject to product classification and exemptions.
Companies (Audit and Auditors) Rules

Current rule-by-rule working register

The Rules operationalise appointment, rotation, disqualification, reporting, fraud and cost-auditor remuneration. Amendment history through the identified 2021 audit-rule amendments has been considered; current portal instructions should be checked on filing date.

Rule 1

Short title and commencement

The Companies (Audit and Auditors) Rules, 2014 form the procedural framework for sections 139-148.

Control: Use the consolidated Rules and amendment trail, not the original 2014 PDF alone.
Rule 2

Definitions

Act, Annexure, fees, forms, Regional Director and section references take their statutory meanings.

Control: Definitions in the Act and Definition Details Rules continue to apply.
Rule 3

Selection and appointment

The Audit Committee, where required, evaluates qualifications, experience and pending professional proceedings and recommends the auditor; the Board and members complete the appointment path.

Control: Document independence, industry competence, team capacity, network conflicts and the reason for any Board disagreement with the committee.
Rule 4

Conditions and ADT-1

The proposed auditor certifies eligibility, term compliance, audit-ceiling compliance and absence of disqualification. The company files the appointment notice in ADT-1 within 15 days of the meeting.

Control: A portal acknowledgement does not cure an ineligible appointment.
Rule 5

Classes subject to rotation

Rotation applies to listed companies, unlisted public companies with paid-up share capital at least Rs 10 crore, private companies with paid-up share capital at least Rs 50 crore, and companies below those capital thresholds having public borrowings from financial institutions/banks or public deposits at least Rs 50 crore. OPCs and small companies are excluded.

Control: Test status and thresholds for the relevant appointment date; “public borrowings” is not the same as every inter-company payable.
Rule 6

Manner of rotation

Incoming firms are screened for common partners and same-network/common-brand connections; the cooling-off and partner-movement rules prevent cosmetic rotation.

Control: Maintain a network map, partner-history declaration and predecessor communication before accepting.
Rule 7

Removal before expiry

The company applies in ADT-2 to the Central Government within 30 days of the Board resolution and, after approval, holds the general meeting within 60 days.

Control: Do not pass the special resolution first and seek approval later.
Rule 8

Resignation

The auditor files ADT-3 within 30 days, setting out reasons and relevant facts.

Control: Reasons should be specific enough for members and regulators to understand unresolved reporting, access or fee issues.
Rule 9

Firm/partner liability overlay

The Rules historically identify the concerned partner for non-fine criminal liability; read this with the current section 147(5) proviso.

Control: Engagement quality controls must identify who performed, reviewed and approved critical judgements.
Rule 10

Financial and relationship disqualifications

Relative security interest is permitted only up to the prescribed face-value limit of Rs 1 lakh, with a 60-day corrective window for acquisition; indebtedness above Rs 5 lakh and guarantee/security above Rs 1 lakh disqualify. Ordinary-course arm’s-length customer transactions and permitted professional services are carved out from “business relationship”.

Control: Screen the entire group perimeter and all partners/relatives covered by section 141.
Audit ceiling

Twenty-company ceiling

The 20-company ceiling is applied per person/partner, with prescribed exclusions including OPCs, dormant companies, small companies and private companies having paid-up share capital below Rs 100 crore when the ceiling is counted.

Control: An audit firm must map each signing partner’s portfolio before accepting or reallocating an engagement.
Rule 11

Other matters in the audit report

Report on litigation impact, foreseeable losses on long-term contracts including derivatives, IEPF delays, fund-routing/ultimate-beneficiary representations and audit procedures, section 123 dividend compliance, and accounting-software audit trail.

Control: Rule 11(g) requires evidence that the feature existed, operated throughout the year, was not tampered with and was preserved; it is not satisfied by a software vendor certificate alone.
Rule 12

Branch audit

The branch auditor performs duties for the branch and sends the report to the company auditor; the principal auditor deals with it under the Act and Standards on Auditing.

Control: Group/branch instructions, materiality, component risk and documentation must be aligned.
Rule 13

Fraud reporting

Fraud involving or expected to involve at least Rs 1 crore follows the Central Government route in ADT-4 after the prescribed Board/Audit Committee communication process. Lesser fraud is reported to the Audit Committee/Board and disclosed in the Board’s Report in prescribed detail.

Control: The threshold determines the route, not whether the matter is “fraud”; preserve the two-day, 45-day and 15-day clocks.
Rule 14

Cost-auditor remuneration

The Board appoints and fixes the cost-auditor remuneration subject to member ratification in the prescribed manner.

Control: Cost-auditor independence and section 148 restrictions remain separate from fee approval.
Appointment and rotation

Who appoints, by when and for how long?

SituationPrimary actor and deadlineFallback / approvalTenure or filing
First auditor - non-Government companyBoard: within 30 days of incorporationIf Board fails, members appoint within 90 days at EGMTill conclusion of first AGM
First auditor - Government companyCAG: within 60 daysIf CAG fails: Board next 30 days; if Board fails: members next 60 days at EGMTill conclusion of first AGM
Subsequent auditor - ordinary companyMembers at AGMStandard tenure to conclusion of sixth AGM, subject to rotation/eligibilityADT-1 within 15 days
Government-company annual appointmentCAGWithin 180 days from commencement of FYTill conclusion of AGM
Casual vacancy - non-CAG companyBoard within 30 daysIf due to resignation: members approve within 3 months of Board recommendationTill conclusion of next AGM
Casual vacancy - CAG companyCAG within 30 daysIf CAG fails: Board within next 30 daysTill applicable appointment cycle
Auditor appointment, rotation and independence framework
Rotation is not a mere name change: common partners, same network/common brand, partner movement and cooling-off restrictions must be screened. The successor should obtain predecessor communication and independence evidence before acceptance.
Eligibility and independence

Section 141 and Rule 10 control matrix

GateCurrent statutory/rule testEvidence and practical control
Relative security/interestFace value up to Rs 1 lakh permitted under Rule 10; excess acquisition gets prescribed 60-day corrective windowTrack market actions, inheritance, bonus/rights and group-company holdings.
IndebtednessDisqualified when indebted beyond Rs 5 lakh to the company/group perimeterInclude loans, overdue trade/credit balances where legally debt, and partner/relative mapping.
Guarantee/securityDisqualified above Rs 1 lakh for third-person indebtedness to company/groupBank guarantees and collateral support require screening.
Business relationshipProhibited except permitted professional services and ordinary-course arm’s-length customer transactionsTest network entities and significant influence, not only the signing firm.
Relative as director/KMPDisqualification where relative is director or employed as director/KMPKeep annual and event-driven declarations.
Full-time employment / audit ceilingNo full-time employment elsewhere; max 20 company audits subject to exclusionsCount per partner and update before signing acceptance.
Fraud convictionTen-year cooling period from convictionObtain declarations and public-disciplinary checks.
Section 144 servicesDirect or indirect prohibited services disqualifyMap holding/subsidiary and network services before engagement acceptance.

Section 144 prohibited-services map

Accounting and bookkeeping

Not permitted directly or indirectly within the statutory company/group/network perimeter.

Internal audit

Not permitted directly or indirectly within the statutory company/group/network perimeter.

Financial-system design/implementation

Not permitted directly or indirectly within the statutory company/group/network perimeter.

Actuarial services

Not permitted directly or indirectly within the statutory company/group/network perimeter.

Investment advisory

Not permitted directly or indirectly within the statutory company/group/network perimeter.

Investment banking

Not permitted directly or indirectly within the statutory company/group/network perimeter.

Outsourced financial services

Not permitted directly or indirectly within the statutory company/group/network perimeter.

Management services

Not permitted directly or indirectly within the statutory company/group/network perimeter.

No approval override: Audit Committee or Board approval is required for permitted other services; it cannot convert a service expressly prohibited by section 144 into a lawful service.
Audit reporting architecture

One audit, multiple statutory outputs

Core opinion

Financial statements, true and fair view, applicable framework and SAs.

Section 143(3)

Information, books, branch reports, standards, adverse matters, director disqualification, accounts and IFC.

Rule 11

Litigation, foreseeable losses, IEPF, fund routing, dividend and audit trail.

CARO 2020

Detailed legal and financial controls for applicable companies.

IFC

Adequacy and operating effectiveness with reference to financial statements, subject to exemptions.

Other overlays

Branch, CAG, sector regulator, fraud, consolidated and cost-audit interactions.

Rule 11 matterRequired conclusionMinimum evidence focus
Pending litigationDisclose impact on financial position.Legal-letter reconciliation, case register and accounting provision/contingency.
Long-term contracts and derivativesProvision for material foreseeable losses.Contract population, valuation models, onerous-contract analysis.
IEPF transfersReport delay, if any.Unpaid dividend/IEPF reconciliation and bank evidence.
Fund routing / ultimate beneficiariesManagement representations on intermediaries, funding parties and ultimate beneficiaries; auditor performs reasonable and appropriate procedures.Bank trails, agreements, related parties, beneficial ownership and end-use evidence.
DividendWhether declared/paid dividend complies with section 123.Board/member approvals, distributable profit, bank payment and unpaid-dividend controls.
Audit trailWhether accounting software had an audit-trail feature, operated throughout the year, was not tampered with and was preserved.System inventory, configuration, privileged-user logs, migration periods, backups and sample edit histories.
Audit reporting, fraud and cost-audit framework

Standards on Auditing: exam and professional map

StageKey SAs / conceptsWhat the file should show
Acceptance and ethicsSA 210, quality-management standards, Code of EthicsPreconditions, scope, independence, engagement terms and continuance.
Planning and riskSA 200, 230, 240, 250, 300, 315, 320, 330Business understanding, fraud/legal risk, materiality, controls and responses.
EvidenceSA 500 series, 505, 520, 530, 540, 550, 560, 570, 580Sufficient appropriate evidence, estimates, related parties, subsequent events, going concern and representations.
Group / other workSA 600, 610, 620Component work, internal auditor use and expert competence/objectivity.
Completion and reportingSA 450, 700, 701, 705, 706, 710, 720Misstatement evaluation, opinion, KAM, modifications, comparatives and other information.
Companies (Auditor's Report) Order, 2020

Applicability and all 21 reporting areas

Generally exempt: banking companies, insurance companies, section 8 companies, OPCs, small companies, and a qualifying private company that is not a holding/subsidiary of a public company and satisfies all prescribed capital/reserves, borrowing and revenue limits. Confirm the Order and current status for the reporting year.
ClauseAudit area
iPPE, right-of-use assets, intangibles, title deeds, revaluation and benami proceedings
iiInventory verification and working-capital statements filed with banks/financial institutions
iiiInvestments, guarantees, security and loans/advances in the nature of loans
ivCompliance with sections 185 and 186
vDeposits and amounts deemed deposits
viCost records under section 148(1)
viiUndisputed and disputed statutory dues
viiiUnrecorded income surrendered/disclosed in tax assessments
ixBorrowing defaults, wilful defaulter status, end use, short-term funds used long-term, group funding and pledge-based borrowings
xIPO/FPO/debt use and private placement/preferential allotment
xiFraud, section 143(12) filings and whistle-blower complaints
xiiNidhi-company compliance
xiiiRelated-party compliance and disclosure
xivInternal-audit system and consideration of internal-audit reports
xvNon-cash transactions with directors/connected persons
xviRBI Act registration, NBFC/HFC business and Core Investment Company matters
xviiCash losses
xviiiResignation of statutory auditors and consideration of outgoing auditor issues
xixCapability of meeting liabilities due within one year - no guarantee of future viability
xxCSR transfers for non-ongoing and ongoing projects
xxiQualifications/adverse remarks in component CARO reports considered in consolidated reporting
Clause (xix) is not a viability guarantee: the auditor evaluates evidence available up to the report date on whether material uncertainty exists regarding liabilities due within one year. The Order itself cautions that this is not an assurance of future viability.
Fraud, audit trail and internal controls

Three separate but connected conclusions

Fraud risk under SAs

Design procedures for material misstatement due to fraud; maintain scepticism and communicate.

Section 143(12)

Use the prescribed legal reporting route based on the amount involved/expected.

CARO clause (xi)

Report fraud noticed/reported, ADT-4 filing and whistle-blower complaints.

Rule 13 timeline - Rs 1 crore or more

Day 0-2: report the matter to the Board/Audit Committee, seeking reply/observations.
Up to 45 days: wait for reply/observations.
Next 15 days: forward report, reply and comments to Central Government in ADT-4; if no reply, forward with a note.

Audit-trail conclusion

  • Identify every accounting application and relevant database/interface.
  • Test whether edit log can be disabled by ordinary or privileged users.
  • Cover masters, journals, interfaces, migrations and direct database changes.
  • Test operation throughout the year, not only at year-end.
  • Evaluate tampering indicators and statutory preservation.
Common failure: reporting “the software has an audit trail feature” without evidence that it operated throughout the year and was not tampered with. A feature, an active configuration and preserved logs are three different assertions.

IFC reporting boundary

The section 143(3)(i) report is on internal financial controls with reference to financial statements. Certain OPC/small/private-company exemptions apply under the relevant notification, but management still needs controls sufficient to prepare reliable accounts, and the auditor still assesses controls when designing the financial-statement audit.

Section 148

Cost records and cost audit decision matrix

LayerThreshold / requirementPractical control
Cost records - Rule 3Company engaged in a listed covered product/service and overall turnover from all products/services at least Rs 35 crore in the immediately preceding FY.Check tariff/heading and service description; exclusions and sector-specific notes matter.
Cost audit - regulated sectorOverall turnover at least Rs 50 crore AND aggregate turnover of the individual covered product/service at least Rs 25 crore.Both tests must be met.
Cost audit - non-regulated sectorOverall turnover at least Rs 100 crore AND aggregate turnover of the individual covered product/service at least Rs 35 crore.Both tests must be met.
Cost-audit exemptionsGenerally export revenue in foreign exchange above 75% of total revenue; operation from an SEZ; or captive electricity generation, subject to the rule text.Do not apply exemption merely because some exports or an SEZ unit exists.
RecordsCRA-1 principles; preserve cost records for eight financial years.Reconcile cost ledgers to financial books and quantitative records.
AppointmentBoard appoints within 180 days of FY commencement; CRA-2 within 30 days of Board meeting or 180 days from FY commencement, whichever earlier.Audit Committee recommendation applies where constituted.
Report and filingCost auditor submits CRA-3 to Board within 180 days from FY close; company files CRA-4 in XBRL within 30 days of receipt.Track qualifications and company explanations.

Decision sequence

1. Classify

Map product/service to Rule 3 tables and tariff/service description.

2. Test records

Overall turnover >= Rs 35 crore in preceding FY.

3. Test audit

Regulated 50/25; non-regulated 100/35.

4. Test exemption

Exports, SEZ or captive electricity as precisely worded.

5. Appoint

Board/Audit Committee, independence, CRA-2 and member fee ratification.

6. Reconcile

CRA-1 to ledgers, quantities, financial accounts and related disclosures.

7. Report/file

CRA-3 within 180 days; CRA-4 within 30 days of receipt.

Forms, evidence and clocks

Audit and cost-audit filing matrix

Form / recordPurposeOwnerCore timing
ADT-1Notice of appointment of auditorCompanyWithin 15 days of meeting/appointment
ADT-2Application for removal before expiryCompanyWithin 30 days of Board resolution; GM within 60 days after approval
ADT-3Resignation statementAuditorWithin 30 days of resignation
ADT-4Report of fraud to Central GovernmentAuditor / cost auditor / practising CS as applicableAfter prescribed communication and reply process
Board/Audit Committee papersSelection, independence, fees, services and vacancy evidenceCompanyBefore appointment/change and through engagement
Engagement letter and consent/certificateScope, eligibility and acceptanceAuditor/companyBefore appointment and updated for changes
CARO 2020 annexurePrescribed reporting for applicable companiesAuditorWith statutory audit report
IFC annexureSection 143(3)(i) reporting where applicableAuditorWith statutory audit report
CRA-1Cost-record principlesCompanyContinuous; preserve 8 FYs
CRA-2Cost-auditor appointment intimationCompanyEarlier of 30 days from Board meeting or 180 days from FY start
CRA-3Cost audit reportCost auditorWithin 180 days from FY close
CRA-4Cost audit report filing in XBRLCompanyWithin 30 days of receiving CRA-3

Closing and audit evidence pack

WorkstreamMinimum management evidenceAudit response
AppointmentMinutes, consent, eligibility certificate, ADT-1, rotation and ceiling checkAcceptance/continuance and independence documentation.
Financial reportingSigned trial balance, schedules, estimates, legal/tax positions and Board papersRisk-based testing, misstatement summary and reporting.
Group/branchesComponent packs, access, instructions, reporting and consolidation controlsSA 600/branch evaluation and group evidence.
Systems/audit trailApplication inventory, access, change management, logs and retentionIT controls and Rule 11(g) procedures.
Fraud/whistle-blowerCase register, investigation, Audit Committee papers and remediationSA 240, CARO and section 143(12) assessment.
Cost recordsCRA-1, quantitative records, reconciliations, cost statements and classificationsCost-audit procedures and CRA-3/4 control.
International comparison

India, ISA-style systems and US issuer audit

This is an audit-regulation comparison, not an accounting-framework comparison. IFRS and US GAAP govern accounting; auditing is governed by SAs/ISAs, PCAOB/AICPA standards and local law.

AreaIndiaISA / other jurisdictionsUS issuer focus
Primary frameworkCompanies Act sections 139-148, Audit Rules, SAs, CARO, NFRA/ICAI and sector regulatorsISAs and local company/securities lawPCAOB standards for issuers; AICPA GAAS for many non-issuers; SOX/SEC independence
Auditor appointmentMembers appoint; CAG appoints Government-company auditor; statutory rotation for listed/prescribed classesJurisdiction-specific appointment; EU/UK public-interest rotation overlaysAudit committee responsible for issuer auditor appointment/oversight under SOX; firm rotation generally not federally mandated
IndependenceDetailed Companies Act disqualifications and section 144 prohibited services; network/group reachIESBA Code plus local law; self-review, advocacy, management and other threatsSEC/PCAOB independence prohibitions and audit-committee pre-approval; strict issuer non-audit service rules
Extended legal reportSection 143(3), Rule 11, CARO, IFC and fraud reportingISA opinion plus local statutory reporting; key audit matters for listed entitiesPCAOB report, critical audit matters for applicable issuers, ICFR opinion for accelerated filers
Fraud escalationPrescribed section 143(12)/Rule 13 route including Government reporting at thresholdISA 240 plus law/regulatory reportingAU-C 240 / AS 2401 plus legal/regulatory duties; no identical Rs 1 crore route
Internal controlsSeparate section 143(3)(i) reporting for covered companiesISA 265 communicates deficiencies; public-interest overlays varySOX 404 management and auditor ICFR framework for covered issuers
Cost auditSector/product cost records and audit under section 148No general ISA equivalentNo general federal corporate-law equivalent
Exam and professional application

Sixteen case studies with answers

1. Rotation: private company crosses capital threshold

Facts: A private company has paid-up share capital of Rs 52 crore and no public borrowings. It proposes to reappoint the same individual auditor for a second five-year term.

Answer: Rule 5 brings the company within rotation. An individual cannot exceed one five-year term. The company must select an eligible successor and screen common-partner/network restrictions.

2. Borrowing-based rotation

Facts: An unlisted public company has paid-up capital of Rs 6 crore but bank borrowings of Rs 54 crore.

Answer: The prescribed borrowing threshold can trigger rotation despite capital below Rs 10 crore. Use the legally relevant public-borrowing measure and appointment-date facts.

3. Common-brand successor

Facts: Firm A completes ten years. Firm B has different partners but uses the same network brand.

Answer: Rule 6 anti-circumvention controls can make Firm B ineligible. “No common partner” alone is insufficient.

4. Relative receives bonus shares

Facts: A partner’s relative held shares of face value Rs 95,000; a bonus issue increases face value above Rs 1 lakh.

Answer: Apply Rule 10 and the 60-day corrective window. Document discovery, disposal and independence safeguards; do not wait until year-end confirmation.

5. Partner loan from group company

Facts: The signing partner has a Rs 6 lakh employee-style loan from the audit client’s holding company.

Answer: The indebtedness threshold is tested across the statutory group perimeter. This creates disqualification unless the facts fall outside the rule.

6. ERP implementation by network firm

Facts: The overseas network designs and implements the subsidiary’s financial reporting system while the Indian firm audits the parent.

Answer: Section 144’s direct/indirect and group perimeter may prohibit the service and create section 141 disqualification. Approval cannot legalise a prohibited service.

7. Resignation over restricted access

Facts: The auditor resigns after management repeatedly denies access to overseas subsidiary records.

Answer: File ADT-3 within 30 days with meaningful reasons and relevant facts. Assess reporting, fraud, professional communication and successor-auditor implications.

8. Fraud expected at Rs 1.20 crore

Facts: Evidence indicates employee/vendor collusion expected to involve Rs 1.20 crore.

Answer: Use the Rule 13 Central Government route: communicate to Board/Audit Committee within the prescribed two-day period, manage the 45-day reply window and file ADT-4 within the prescribed 15-day step.

9. Fraud of Rs 40 lakh

Facts: A payroll fraud of Rs 40 lakh is identified.

Answer: It remains fraud, but the lesser-amount route applies: report to Audit Committee/Board and ensure prescribed Board’s Report disclosure. Other legal reporting may still apply.

10. Audit trail disabled during migration

Facts: Audit trail worked for nine months but was disabled for a three-month ERP migration.

Answer: Rule 11(g) requires operation throughout the year for all relevant transactions. The auditor needs a fact-specific modified/qualified reporting conclusion; post-year-end activation does not cure the period.

11. CARO private-company exemption

Facts: A standalone private company has paid-up capital plus reserves of Rs 80 lakh, peak bank borrowing Rs 90 lakh and revenue Rs 11 crore.

Answer: It fails the CARO private-company exemption because the revenue condition is not met. All conditions are cumulative.

12. IFC reporting exemption

Facts: A private company has turnover Rs 42 crore and aggregate bank/FI/company borrowings below Rs 25 crore throughout the year.

Answer: Test the applicable private-company exemption notification and group/status conditions. Financial-statement audit controls still matter even where the separate section 143(3)(i) opinion is exempt.

13. Foreign branch auditor

Facts: An Indian company’s Dubai branch is audited by a locally qualified accountant.

Answer: Permitted subject to local law and section 143(8). The principal auditor issues instructions, evaluates competence/independence, receives the branch report and deals with it under the SAs.

14. Cost audit - non-regulated product

Facts: Total turnover is Rs 125 crore; covered-product turnover is Rs 34 crore.

Answer: Cost records may apply at Rs 35 crore overall, but non-regulated cost audit generally needs Rs 35 crore product turnover as well as Rs 100 crore overall. On these numbers, the product threshold is not met.

15. Government-company first auditor

Facts: A Government company is incorporated and CAG does not appoint within 60 days.

Answer: The Board has the next 30 days; if it also fails, members have the following 60 days at an EGM. Do not apply the ordinary 30/90-day first-auditor route.

16. Twenty-audit ceiling

Facts: A partner signs 18 ordinary public/private company audits plus several OPC, dormant and qualifying small/private-company audits.

Answer: Apply prescribed exclusions carefully and count per partner, not merely per firm. Keep a contemporaneous ceiling certificate before acceptance and signature.
Exceptions and high-risk points

Non-negotiable controls

  • Annual auditor ratification was removed, but annual/event-driven independence review was not removed.
  • Rotation thresholds, audit ceiling and CARO exemption thresholds are different tests; do not merge them.
  • Audit Committee approval cannot cure a section 144 prohibited service.
  • Fraud below Rs 1 crore still requires statutory reporting to the Board/Audit Committee and prescribed Board’s Report disclosure.
  • Rule 11(g) tests operation, non-tampering and preservation of audit trail - not merely software capability.
  • An unmodified opinion does not override a negative CARO, Rule 11 or IFC conclusion.
  • Government-company appointments and CAG reporting follow special timelines and supplementary-audit architecture.
  • Cost-record and cost-audit applicability must be tested product/service-wise and threshold-wise every year.
  • Portal acceptance of ADT/CRA forms does not validate eligibility, independence or underlying audit quality.
  • The 2026 Bill is proposal only; do not operationalise proposed audit exemptions or revised liability rules before enactment and commencement.
2026 Bill watch: the introduced Bill proposes, among other matters, an enabling power for prescribed small companies/classes not to appoint an auditor, changes around audit-firm eligibility and prohibited-services cooling-off, and changes to auditor/cost-auditor consequences. The operative chapter remains the enacted Act and current Rules until legislative and commencement steps are complete.
Finin2min visual summary

The entire chapter in one control chain

Auditor appointment, rotation and independence framework
Audit reporting, fraud and cost-audit framework
Frequently asked questions

Ten rapid answers

Is annual ratification of auditor appointment still required?
No. The annual-ratification proviso in section 139(1) was omitted. Eligibility and continuing independence still require annual/event-driven review.
Does every private company rotate auditors?
No. Rotation applies to prescribed classes. Paid-up capital and public-borrowing/public-deposit thresholds must be tested; OPCs and small companies are excluded from Rule 5.
Can the Board remove an auditor?
Not by itself. Early removal requires prior Central Government approval and a special resolution, with a hearing for the auditor.
Can a statutory auditor also perform internal audit?
No. Internal audit is expressly prohibited under section 144, including indirect/network routes within the statutory perimeter.
Does a Rs 20 lakh fraud escape reporting?
No. It follows the lower-value Rule 13 route rather than ADT-4 to the Central Government, and Board’s Report disclosure is prescribed.
Does CARO apply to consolidated financial statements?
CARO primarily reports on company financial statements, but clause (xxi) requires the holding-company auditor to report qualifications/adverse remarks in CARO reports of included components.
Is an unmodified audit opinion enough to say the company is compliant?
No. Audit is reasonable assurance on financial statements plus specified statutory reporting; it is not a blanket legal-compliance certificate.
Can management restrict access to subsidiary records?
For consolidation, the holding-company auditor has statutory access to relevant subsidiary and associate records. Restrictions require escalation and reporting assessment.
Is cost audit the same as internal or statutory audit?
No. It is a separate section 148 engagement by a cost accountant for prescribed sectors and thresholds, additional to section 143 audit.
Are March 2026 amendment proposals already applicable?
No. The Corporate Laws (Amendment) Bill, 2026 is presented separately as a proposal. Apply only enacted, commenced provisions and current Rules.
Primary-source register

Sources used

India Code - Companies Act, 2013Current consolidated Act and amendment footnotesOpen source ↗
India Code - Act and subordinate-legislation registerAudit Rules, Cost Rules, CARO and amendment registryOpen source ↗
MCA eBook / Acts and RulesCurrent forms, rules, circulars and filing instructionsOpen source ↗
ICAI - Auditing, Review and Other StandardsStandards on Auditing and professional materialOpen source ↗
NFRA - statutory roleAudit quality and professional oversight for entities within jurisdictionOpen source ↗
Official Gazette - Corporate Laws (Amendment) Bill, 2026Proposal-only status; not treated as operative lawOpen source ↗
Review date: 26 June 2026. India Code records the original Audit and Auditors Rules and later amendments including the identified 2021 amendments; CARO 2020 and the Cost Records and Audit Rules are treated as separate overlays. Always check the MCA form instruction kit and portal version on filing date.