GSTR-2A vs GSTR-2B: the difference, and which one to use for ITC

Short answerGSTR-2A is a dynamic view that keeps updating as your suppliers file, so it can change after you look at it. GSTR-2B is a static statement generated for each month, with the input tax credit available to you for that month. Reconcile your purchase register against GSTR-2B, because that is the fixed record your claim is checked against.

Both statements are auto-drafted from what your suppliers report. The difference is timing. One is a moving target; the other is a snapshot. That single difference decides which one belongs in a monthly reconciliation.

The differences at a glance

Check the GST portal for the exact generation dates and the latest rules, since they can be revised.

Why reconcile against 2B

• It does not move. You and your reviewer are looking at the same numbers, now and next week.
• It carries the ITC position. It shows what is available, not available and reversible, so you do not have to work that out from raw documents.
• It matches how the claim is tested. Credit that does not appear in 2B is credit you should be cautious about claiming.

A monthly routine

1. Download GSTR-2B for the month once it is generated.
2. Match each line to your purchase register by supplier GSTIN, invoice number and amount.
3. List what is in 2B but not in the books (missing purchase entries) and what is in the books but not in 2B (supplier has not filed, or an error).
4. Chase suppliers for the second list, with the invoice details ready.
5. Claim only what is supported, and carry the rest forward with a note.

The causes of mismatches are covered in eight reasons your books and GSTR-2B do not match, and the full routine in GSTR-2B reconciliation with your books.

Frequently asked questions

Is GSTR-2A still useful?

Yes, as a live look at what suppliers have filed so far, for example when chasing a supplier. For the monthly claim and reconciliation, use GSTR-2B.

Why does GSTR-2A change but 2B does not?

GSTR-2A updates whenever supplier filings change. GSTR-2B is generated as a fixed statement for a given month.

Can GSTR-2B be edited?

No. If a supplier files late, the document appears in a later month's statement.

What if a supplier's invoice is missing from 2B?

Ask the supplier to report it, and hold the credit until it appears. Keep the invoice and the follow-up on file.

Try it on your own client

Match GSTR-2B to your purchase register alongside the bank reconciliation for each client. FynHelp reconciles bank to Tally or Zoho, chases missing documents and drafts a source-traceable MIS that a partner signs off. Start free for 30 days or book a 20-minute demo.