Statutory Auditors, Rotation and Reporting

Law and applicability

Companies Act sections 139–148 and Companies (Audit and Auditors) Rules, 2014.

The appointment procedure depends on the company type, statutory auditor rotation, eligibility, vacancy event and any Audit Committee recommendation requirement. Audit powers and obligations are separate from secretarial audit and cost-audit obligations. For a listed company, SEBI rules may add audit committee, independence and disclosure expectations.

Key statutory decision tests

• Confirm auditor consent, certificate of eligibility, independence and rotation/term restrictions before the appointment.
• Separate first-auditor appointment, subsequent general-meeting appointment and casual vacancy procedures.
• Apply resignation and vacancy reporting duties to the actual occurrence; check ADT-3 independently.
• Where cost audit applies, evaluate cost records, auditor appointment, CRA forms and reporting separately from statutory audit.
• Keep audit engagement, audit report dates, CARO/internal financial controls as applicable, and Board-report qualifications in sync.

Practical step-by-step workflow

1. Create an applicability sheet for company classification, financial year, rotation and audit committee.
2. Get written eligible-auditor consent and approval recommendation where applicable.
3. Record Board/member resolution and submit the correct ADT form on MCA V3.
4. Document replacement/rotation, partner tenure, filing SRNs and financial-statement disclosure.

Important exceptions and higher-risk transactions

Term and rotation conditions are distinct. For a newly incorporated company the appointment of the first auditor follows a specific statutory path, whereas subsequent appointments depend on the company category and relevant general-meeting process. A casual vacancy caused by resignation invokes a different set of approvals from a vacancy for another cause. An audit committee recommendation may form part of the appointment route but should not be recorded as if it were the final shareholder decision.

Cost records and cost audit require another classification exercise. Analyse prescribed goods/services, turnover classes, exclusions and applicable thresholds; the mere presence of manufacturing revenue does not mean every entity must appoint a cost auditor. The secretarial records should connect ADT and CRA events to the audit committee/Board approvals, signed consent, eligibility representations, reporting deadlines and financial statement notes. Document any disqualification or rotation issue before issuing an appointment letter.

For tendering a new auditor appointment, compare not only professional eligibility but independence against loans, related business interests, prohibited services and partner relationships. Confirm that the period of appointment, engagement scope and remuneration authority agree with the Act and the company’s governance framework. Audit resignations deserve a documentary chronology: resignation communication, statutory statement, proposed successor, approval route and audit completion risks. If the outgoing and incoming auditors have different views on opening balances or material controls, management should record reconciliation responsibilities instead of delaying action until financial statement signing.

Worked professional example

How the rule works in real companies

Treat statutory auditor appointment, rotation, eligibility, casual vacancy, resignation and cost audit as distinct events. Verify whether the company falls within rotation restrictions or cost-record/cost-audit coverage before using a generic form. An auditor’s appointment is subject to required consent and eligibility certification; the audit committee’s recommendation may be relevant. ADT-1 is a filing consequence of an eligible appointment, not the approval itself.

An auditor resigns in the middle of an audit cycle. The resignation triggers a separate statement by the outgoing auditor (ADT-3) and the company must determine the lawful casual-vacancy appointment route. Where the vacancy is caused by resignation, the shareholder-approval overlay differs from a vacancy due to another cause; keep the board and general meeting chronology.

Engagement letter, consent, certificate of eligibility, independence analysis, appointment/resignation resolutions, audit committee minutes if required, statutory auditor communication, ADT-1/ADT-3 filings, and a cost audit coverage memo.

Documents to retain and reconcile

• Auditor consent and eligibility certificate
• Audit Committee/Board/member approvals
• ADT series SRNs, term and rotation register
• Engagement letter, resignation/casual vacancy records

Common mistakes to avoid

• Assuming cost audit follows automatically from statutory audit
• Failing to analyse resignation-specific approval
• Treating an auditor’s consent as proof of eligibility

Practical questions and answers

Statutory provisions and official references

• Companies Act, 2013 — MCA Act text (read with subsequent amendments)
• MCA — live circulars, forms and filing updates
• SEBI LODR Master Circular — 30 January 2026

Use the applicable amended provision and actual effective date for the transaction. Current MCA portal instructions and valid circulars govern web-form fields, fees and approved extensions.