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Finance and Law Explained in 2 Minutes

45-day Due Date Calculator

Professional MSME control master for 45-day due date calculator

Authors: CA Nikhil Gupta and Kajri SinghReview cut-off: 2026-07-18Unit 20/34Ministry of MSME / State MSE Facilitation Councils

Reviewed by CA Nikhil Gupta on 18 July 2026. Educational reference only — not legal advice; verify against the current Act text and Gazette notifications before acting.

Mapped and interpreted - classification and State-process controlled

Source, commencement and implementation control

Primary authority
Ministry of MSME / State MSE Facilitation Councils
Commencement
The Act commenced on 2 October 2006. Classification notifications and procedural instruments have separate effective dates.
Currentness gate
Classification thresholds effective from 1 April 2025, Udyam status, MSEFC procedure and State rules must be verified at transaction date.
Text status
Provision architecture and professional interpretation are local. Exact statutory wording and event-date instruments remain controlled by the official source.

Official source: Open the current India Code record.

Provision-specific operating checklist

  1. Verify udyam status and enterprise category at the relevant date.
  2. Establish supplier, buyer, acceptance and appointed-day facts.
  3. Reconcile invoice, delivery, rejection and payment evidence.
  4. Calculate compound interest with monthly rests under the act.
  5. Test msefc reference, conciliation, arbitration and deposit requirements.
  6. Align companies act disclosure and income-tax deduction treatment.

Topic under review: 45-day Due Date Calculator. Before advice, filing, enforcement or publication, preserve the operative Act, commencement notification, applicable Rules/regulations, amendments, portal instructions and current judicial treatment in the matter file.

Finin2min implementation record for this unit

Decision question. Identify the exact statutory or regulatory trigger covered by 45-day Due Date Calculator, the person on whom the duty falls, the event date and the evidence that proves compliance or breach.

Applicability test. Record the entity, transaction, product, data set, project, market or proceeding in scope; test statutory exclusions and exemptions; then freeze the version of the law applying on the event date.

Execution workflow. Allocate the matter to responsible legal, compliance, finance, operations and evidence owners; prepare a dated issue note; obtain approvals; complete filing, disclosure, notice, payment or remediation; and retain acknowledgement plus supporting evidence.

Consequence and remedy. Distinguish administrative correction, civil relief, compensation, monetary penalty, prosecution, appeal, settlement, mediation, arbitration and constitutional or judicial review. Limitation and pre-deposit requirements must be computed independently.

Cross-law review. Test the Contract Act, Companies Act, GST, income tax, accounting, evidence, limitation, arbitration, consumer, competition, insolvency, data-protection and sector-regulatory overlays only where factually relevant.

Source-control boundary. This page maps the complete publication and operational architecture. Exact statutory words, commencement, delegated instruments and case treatment must be verified from the official source and signed Gazette before advice, filing or enforcement.

Dedicated Finin2min Summary - Chapter in 2 Minutes

  • Identify the legal trigger, responsible actor and evidence relevant to 45-day due date calculator.
  • Read the Act with all effective Rules, regulations, notifications, directions, guidelines and forum procedure as at the event date.
  • Separate substantive obligation, operational workflow, filing or reporting, enforcement consequence, remedy, appeal and limitation.
  • Maintain a reproducible source pack, decision memo, approval trail and transaction-level evidence.
  • Apply connected company, contract, tax, accounting, data, competition, consumer, insolvency and sector-law overlays independently.

Section-by-section / instrument map

ProvisionSubjectControl domainSource rule
Operational module45-day Due Date Calculator45-day due date calculatorInstrument-specific source and implementation controls apply.

Finin2min clause-by-clause decode

Actor and trigger

Identify who acts, who is protected, the transaction or processing event, territorial nexus, threshold, exception and effective date.

Conditions and consequence

Convert each cumulative or alternative limb, proviso and exemption into an evidence-backed checklist. Record the consequence of satisfaction or failure.

Finin2min implementation explanation

Section 15 of the MSMED Act, 2006 fixes the outer limit for a buyer to pay a registered micro or small enterprise (MSE) supplier: whatever is agreed in writing, but never more than 45 days from the day of acceptance (or deemed acceptance) of goods/services. If nothing is agreed in writing, the 15-day default applies instead. "Deemed acceptance" is the day immediately after 15 days from actual delivery, if the buyer does not communicate an objection in writing within that window — silence works against the buyer, not for them.

Miss the 45-day (or agreed, capped-at-45-day) window and Section 16 triggers automatically, with no need for a separate contract clause: compound interest with monthly rests, at three times the RBI-notified bank rate, running from the day after the due date until actual payment. The buyer cannot contract out of this by agreeing a longer credit period or a lower interest rate — Section 15’s 45-day cap and Section 16’s interest formula both override any contrary contract term.

Practical example and calculation approach

Worked example: A registered MSE supplier delivers goods worth ₹10,00,000 on 1 June. No written agreement fixes a credit period, and the buyer raises no objection. Deemed acceptance falls on 16 June (15 days after delivery), making the Section 15 due date 31 July (45 days after deemed acceptance). The buyer actually pays only on 30 September — a 61-day delay. Under Section 16, interest runs on ₹10,00,000 for those 61 days at three times the RBI-notified bank rate, compounded monthly — payable in full even though no contract mentioned any interest clause. Separately, if the buyer’s financial year ends on 31 March with this invoice still unpaid past its Section-15 due date, Section 43B(h) of the Income-tax Act (in force from FY 2023-24) disallows the buyer’s deduction for the entire ₹10,00,000 outstanding amount in that year’s computation — not just the interest — until it is actually paid.
WorkingMethodEvidence
Threshold/valueApply the event-date statutory base and document assumptions, inclusions, exclusions and connected persons.Financials, transaction documents, system data and valuation.
Time/limitationRecord trigger, service, exclusion, acknowledgment, statutory extension, filing and appeal dates.Chronology, delivery proof, portal receipt and order.
ExposureSeparate principal, compensation, penalty, interest, refund, remediation cost and litigation cost.Reproducible calculation and approval.

Practical transaction application

  1. Classify transaction, parties, role, product/service/data/project and jurisdiction.
  2. Capture operative Act, Rules, regulations, notifications, directions and forum procedure.
  3. Map approvals, disclosures, consents, contracts, filings, system controls and evidence.
  4. Calculate thresholds, due dates, exposure and remedial options.
  5. Obtain independent review before irreversible execution, public statement, filing or enforcement response.

Authority, consent and execution controls

  • Correct legal entities, role allocation and beneficial ownership.
  • Board, partner, officer, DPO, compliance, regulator-facing and delegated authority.
  • Final approved contract, policy, notice, disclosure, filing or public communication.
  • Consent, acceptance, service, electronic signature and version evidence.
  • Conflict, privilege, confidentiality and segregation controls.

Evidence and document-retention checklist

  • Official source snapshot and amendment/commencement memo.
  • Actor, threshold and jurisdiction classification.
  • Contract, notice, consent, disclosure and communication versions.
  • System logs, approvals, calculations, payments and delivery evidence.
  • Complaint, investigation, remediation, filing, order and appeal chronology.

Breach, remedy, limitation and forum

Separate cure, withdrawal, refund, compensation, interest, penalty, director/officer exposure, prosecution, regulator direction, settlement, appeal and judicial review. Do not use one statute's limitation or remedy to assume the result under another statute.

Cross-law and tax overlays

Check contract, Companies Act/LLP, GST, income tax/TDS, accounting, DPDP/IT, consumer, competition, RERA, MSMED, FEMA, IBC, sector regulator and evidence law independently.

Finin2min Q&A

What is the first control for 45-day due date calculator?

Classify the facts and event date, then capture the current official Act and delegated instruments before applying an operational rule.

Can a contract override the statute?

Only where the statute permits contractual allocation. Mandatory duties, regulator powers, public-law consequences and non-waivable rights continue to apply.

What evidence should be retained?

The operative contract or policy, authority, notices, system records, calculations, approvals, filings, delivery proof and the official-source version used.

Which forum applies?

Determine the statutory authority, tribunal or court, territorial and subject-matter jurisdiction, appeal route, preconditions and limitation separately.

Is the page a substitute for legal advice?

No. It is a professional implementation framework and must be reconciled with the signed Gazette and matter-specific advice.

Decision flowchart

Decision flow