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CA Final · Indirect Tax Laws

Returns for CA Final Indirect Tax Laws: GST Returns Chapter Guide

Returns are the periodic statements in which a registered person reports outward supplies, input tax credit and tax payable, and pays the tax. To solve questions, identify the taxpayer type, pick the correct form, check the due date, then work out late fee, interest or the notice consequence from the facts given.

What this chapter covers

This chapter covers how a registered person reports and pays GST. It starts with outward supplies (GSTR-1 and the IFF), moves to the inward-supply statements (GSTR-2A and 2B), and then to GSTR-3B, where tax is paid. After that come the returns for special taxpayers: composition, TDS, TCS, ISD and non-residents. It closes with the annual return, the final return, and the officer's powers of scrutiny and action against non-filers.

Think of the chapter as one flow. Outward supplies you report become the recipient's credit. The credit you can claim comes from the statement built from your suppliers' filings. GSTR-3B then nets the two and you pay the balance in cash. If you keep this flow in mind, most forms stop being separate things to memorise.

The chapter connects to almost every other part of Part I of Paper 5. Time and value of supply decide what goes into GSTR-1. Input tax credit decides what goes into GSTR-3B. Registration and payment of tax decide who files which return. Interest and late fee questions come from here. So a clean grasp of returns also helps you in the other GST chapters.

Returns questions are practical and scenario-friendly, so they suit both case-scenario MCQs and short written answers. Examiners like to give a taxpayer profile and ask which return applies, by when, and what happens on default. The rules are factual and stable, so the marks are reliable once you have learnt them. The chapter also gives you the vocabulary (QRMP, IFF, 2B, GSTR-9C) that you need to read longer case studies in Paper 5 and the integrated Paper 6 with confidence.

Returns: topics in the order to study them

  1. 1Furnishing Details of Outward Supplies (GSTR-1, IFF)Everything starts with the supplier's report of sales, and it introduces the monthly and quarterly (QRMP) options.
  2. 2Auto-Drafted Statements and Inward Supplies (GSTR-2A, 2B)This shows how your GSTR-1 becomes the recipient's credit data, so learn it right after GSTR-1.
  3. 3Monthly/Quarterly Return GSTR-3B and Payment of TaxThis is where outward tax, claimed credit and cash payment meet, so it needs the first two topics as background.
  4. 4Other Returns: Composition, TDS/TCS, ISD and Annual ReturnThese are variations on the regular return for specific taxpayers, easier once the regular flow is clear.
  5. 5Final Return, First Return and Matching ProvisionsThese are event-based rules for new and exiting registrations, plus the idea of matching reported data.
  6. 6Scrutiny of Returns and Notice to Non-FilersThis covers what the department does when returns are wrong or missing, so it comes last.

How to prepare Returns

Treat this chapter as a table of facts plus a flow. Build the flow first, then fix the facts by repeated application to small cases.

  1. Draw the flow on one page: GSTR-1 or IFF, then 2B, then 3B and payment, then annual return. Add the special returns beside it.
  2. Make a form table with columns: form, who files, what it reports, frequency, standard due date. Learn the standard dates, and remember that due dates are notified and can be extended.
  3. Learn the QRMP scheme as a unit: eligibility by preceding-year turnover (up to ₹5 crore), quarterly returns, monthly tax payment, and optional IFF for the first two months. Supplies not reported in the IFF are reported in the quarterly GSTR-1.
  4. Study ITC through 2B: credit is claimed on the basis of what appears in the statement for the month, plus the other conditions for credit. Write down one example where the supplier has not filed.
  5. Practise short case scenarios: given a taxpayer profile, state the return, due date, consequence of delay (late fee and interest), and the correction route.
  6. Finish with scrutiny and non-filer notices. Write the sequence in provision-facts-conclusion form: notice, reply period, explanation or payment, further action.
  7. Revise with the form table every few days and re-attempt past MCQs. There is no negative marking, so always attempt every case-based MCQ.

Common mistakes in Returns

  • Treating GSTR-2A and GSTR-2B as the same thing

    Fix: Remember: 2A changes as suppliers file, 2B is fixed for a month and is the base for claiming ITC.

  • Mixing up filing a return and paying tax for QRMP taxpayers

    Fix: Say it as one sentence: return quarterly, tax payment monthly.

  • Confusing GSTR-3B with GSTR-1

    Fix: GSTR-1 gives invoice-level details and feeds the recipient's data. GSTR-3B is the summary with tax payment and ITC claim.

  • Applying the regular return rules to composition, TDS, TCS, ISD and non-resident taxpayers

    Fix: Keep the form table handy and always ask first: what type of taxpayer is this?

  • Stating due dates from memory without noting they can be extended

    Fix: In answers, say 'due date is' for the standard date and follow any extension stated in the question.

  • Writing a notice or scrutiny answer without the sequence

    Fix: Write provision, facts, conclusion: the notice, the reply window, the options before the officer, and the next step if the reply is not accepted.

Last-day revision: Returns

  • GSTR-1 reports outward supplies; the regular filer files it monthly, and a QRMP filer files it quarterly.
  • QRMP is for taxpayers with aggregate turnover up to ₹5 crore in the preceding financial year: quarterly returns, monthly tax payment.
  • IFF is optional. It lets a QRMP taxpayer report B2B supplies and credit/debit notes in the first two months of the quarter, with taxable value of B2B supplies up to ₹50 lakh in each of the first two months. Supplies not reported in the IFF are reported in the quarterly GSTR-1.
  • GSTR-2A is a dynamic view of inward supplies; GSTR-2B is a static monthly ITC statement.
  • ITC is claimed on the basis of details reflected in GSTR-2B, along with the other conditions for credit.
  • GSTR-3B is the summary return for tax payment. A monthly filer files it by the 20th of the next month. A QRMP filer (aggregate turnover up to ₹5 crore in the preceding financial year) files it quarterly by the 22nd or 24th of the month following the quarter, depending on the state.
  • Tax payable as per the return must be paid before the return can be filed. QRMP taxpayers pay their monthly tax through PMT-06 by the 25th of the next month. Tax paid through PMT-06 in the first two months of the quarter is adjusted against the liability declared in the quarterly GSTR-3B.
  • Composition dealers pay tax through CMP-08 quarterly, by the 18th of the month after the quarter, and file the annual return GSTR-4 by 30 April after the financial year.
  • TDS deductors file GSTR-7, TCS operators file GSTR-8, an ISD files GSTR-6, and a non-resident taxable person files GSTR-5.
  • The annual return is GSTR-9; GSTR-9C is the reconciliation statement for taxpayers above the notified turnover limit.
  • The final return GSTR-10 is due within three months of the cancellation date or the cancellation order date, whichever is later. It is filed by a person whose registration is cancelled, but it is not required from an ISD, a composition taxpayer (Section 10), a TDS deductor (Section 51) or a TCS collector (Section 52). A non-resident taxable person must file it.
  • On scrutiny, the officer issues a discrepancy notice in ASMT-10; you may explain or accept and pay with interest.

Returns practice questions

Returns in other exams

The same ground in other exams, if you are preparing for more than one or want another angle on it.

Returns: frequently asked questions

Which return forms matter most for CA Final?

GSTR-1, GSTR-2B, GSTR-3B and the annual return GSTR-9 carry the most weight in practice. Learn the special returns (CMP-08, GSTR-4, 6, 7, 8) as a quick table. Know the final return and scrutiny sequence for written answers.

Do I need to memorise due dates?

Yes, learn the standard ones, such as the 11th for GSTR-1, the 20th for GSTR-3B and 31 December for GSTR-9. Remember that dates can be extended by notification, so follow the facts given in the question.

How is this chapter tested?

Expect case scenarios: a taxpayer profile followed by questions on the applicable return, timing, late fee, interest or correction. Written questions often ask for the procedure on scrutiny or non-filing.

How do I link ITC with returns?

ITC is claimed in GSTR-3B, and the supporting data comes from GSTR-2B, built from suppliers' filings. If a supplier has not reported the invoice, it will not appear in 2B, so the claim is affected.