What does section 50 regulate?

It regulates interest on delayed payment of tax. Read the exact text, conditions, exceptions and transaction date together.

Which subordinate law should be checked?

Rule 88B. Notifications, circulars, forms and the corresponding SGST/UTGST layer may also apply.

What evidence should be retained?

Preserve the contract or transaction record, invoice or form, portal acknowledgement, payment/ledger evidence, correspondence, legal working and the official source version used.

Can portal behaviour override the statute?

No. Portal functionality is operational evidence; legal entitlement and liability remain controlled by the Act, Rules, notifications and binding decisions.

Can I use GST ITC to pay this liability?

Test statutory eligibility and restrictions first. Portal visibility or accounting booking alone is not a complete ITC entitlement test.

What is the correct order of GST credit utilisation?

Apply section 50 to the exact facts and period, then verify the linked delegated law and official implementation material before concluding.

When does GST interest become payable?

Apply section 50 to the exact facts and period, then verify the linked delegated law and official implementation material before concluding.

How do I reconcile GST TDS or TCS with my books?

Apply section 50 to the exact facts and period, then verify the linked delegated law and official implementation material before concluding.

Section 50 - Interest on delayed payment of tax

Reviewed by CA Nikhil Gupta and Kajri Singh · Last reviewed 30 August 2026

Chapter X - Payment of Tax

ACTIVE

Official source: The controlling wording and amendment notes are maintained by India Code and CBIC. Open consolidated Act PDF.

Finin2min Summary - Section in 2 Minutes

Levies interest on delayed tax payment and on ITC wrongly availed and utilised. For delayed section 39 returns, interest generally applies to the cash-paid portion, except returns filed after commencement of section 73/74/74A proceedings. Wrong ITC attracts interest only when both availed and utilised, calculated under rule 88B. Rates are notified within statutory caps.

Provision position

Present in current consolidated Act

CGST chapter

Chapter X — Payment of Tax

Legal source control

India Code + CBIC official repositories

Law checked

27 July 2026

How to use this page: Application remains transaction-date sensitive: check commencement, amendment history, Rules, notifications and State/UT overlay before reliance. The official consolidated Act controls the statutory wording; the Finin2min layers explain how to apply and evidence it.

Why Section 50 matters

Section 50 (Interest on delayed payment of tax) is the section-level control point within Chapter X — Payment of Tax. This chapter controls how GST liabilities are discharged through cash, credit, interest, TDS/TCS and ledger transfers.

Current-law and amendment control

validation 1 — controlling consolidated Act

India Code — Central Goods and Services Tax Act, 2017. Used for the current chapter/section inventory and consolidated provision status.

validation 2 — independent official cross-check

CBIC Tax Information Portal. Use the Act HTML/PDF and amendment history together with current notifications/circulars.

Transaction-date rule: Never treat today’s consolidated wording, a portal screen or an enacted-but-uncommenced amendment as proof of the law that applied on another date. Fix the relevant tax period first.

Official statutory text

The authoritative provision, footnotes and amendment notes are maintained in the official consolidated Act. This analytical page does not re-typeset amendment markers into the running statutory sentence.

Official-source reference reviewed on 2026-07-28. Apply the version and commencement position relevant to the transaction period.

Clause-by-clause / paragraph-wise decode

Section–Rule–Form–Notification–Circular bridge

Rule 88B

The mapping is a legal concordance, not a round-robin related-link list. It is limited to instruments listed in this repository.

Practical example

An ineligible credit of 5 lakh is entered but the electronic credit ledger never falls below that amount until reversal. Rule 88B utilisation test is central to interest analysis.

Professional alert

Interest is compensatory and often system- computed, but taxpayers should independently test dates, cash component and credit utilisation.

Finin2min decision path

Identify the liability and statutory due date.
Determine whether cash or credit can legally discharge it.
Apply credit-utilisation order and restrictions.
Compute interest or other consequential amounts where triggered.
Reconcile electronic ledgers, challans and returns.

Practical case studies

Case 1 — Section-specific application — A taxpayer encounters an issue involving interest on delayed payment of tax. The working paper should identify the exact subsection/proviso, linked Rule/Form/instrument, tax period and evidence before recording the conclusion.

Case 2 — A taxpayer has credit in one ledger but a liability that cannot be discharged in the assumed manner. Apply the statutory utilisation order before payment.

Case 3 — Tax is paid late after a return mismatch is identified. Compute the legally relevant interest period and base rather than using a blanket percentage.

Accounting, ERP & portal touchpoints

Payment workflows should separate output liability, ITC utilisation, cash ledger, TDS/TCS and interest with portal-to-ledger reconciliation.

Control: keep the legal conclusion separate from system configuration; document every tax-code/master change and its effective date.

Notice, litigation & evidence risk

Ledger errors can leave tax legally unpaid even where cash exists elsewhere. Retain challans, ledger extracts and utilisation workings.

Evidence hierarchy: source transaction → books/ERP → statutory return/form → portal acknowledgement → legal working → correspondence/order.

Judicial position — how to read precedent

Start with binding Supreme Court authority, then the jurisdictional High Court, other High Courts and GSTAT where applicable. AAR/AAAR rulings are fact- and jurisdiction-sensitive and should not be presented as universal law. Always check whether a decision has been stayed, reviewed, distinguished or overtaken by amendment.

Open the Finin2min provision citator · Open the connected GST case-law module

Common mistakes to avoid

Assuming any ITC can pay any GST amount.
Ignoring statutory utilisation order.
Computing interest without identifying the correct unpaid amount and period.
Posting portal cash-ledger transfers without accounting reconciliation.

Questions professionals actually ask

Can I use GST ITC to pay this liability?: Test statutory eligibility and restrictions first. Portal visibility or accounting booking alone is not a complete ITC entitlement test.
What is the correct order of GST credit utilisation?: Apply section 50 to the exact facts and period, then verify the linked delegated law and official implementation material before concluding.
When does GST interest become payable?: Apply section 50 to the exact facts and period, then verify the linked delegated law and official implementation material before concluding.
How do I reconcile GST TDS or TCS with my books?: Apply section 50 to the exact facts and period, then verify the linked delegated law and official implementation material before concluding.

Related law and practical resources

Chapter X guide Practical GST pathways CGST Rules GST Forms Notifications Circulars Provision citator Case law GST Portal controls State/UT overlays

Finin2min takeaway: Section 50 should never be applied alone. Read the exact provision, the connected Rules/forms/instruments, the transaction date, the State/UT overlay and the binding judicial position together.

Implementation checklist

Fix the transaction, taxable period and jurisdiction.
Read every subsection, proviso, explanation and omission marker.
Open the mapped Rule, form, notification and circular.
Test State/UT variation and portal version.
Preserve evidence, approvals, working papers and acknowledgements.
Record the conclusion, assumptions, source date and reviewer.

Evidence and retention checklist

Contract, purchase order, invoice or underlying transaction document.
Registration, return, ledger, challan and portal acknowledgement.
Official Act/Rule/notification version used and effective date.
Internal tax position paper, computation and management approval.
Correspondence, notices, replies, orders and appeal papers where applicable.

Practical Q&A

What does section 50 regulate?: It regulates interest on delayed payment of tax. Read the exact text, conditions, exceptions and transaction date together.
Which subordinate law should be checked?: Rule 88B. Notifications, circulars, forms and the corresponding SGST/UTGST layer may also apply.
What evidence should be retained?: Preserve the contract or transaction record, invoice or form, portal acknowledgement, payment/ledger evidence, correspondence, legal working and the official source version used.
Can portal behaviour override the statute?: No. Portal functionality is operational evidence; legal entitlement and liability remain controlled by the Act, Rules, notifications and binding decisions.

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