Reconcile GSTR-2B

Match supplier-uploaded invoices with your purchase ledger.

GSTR-2B is the auto-generated statement of inward supplies based on what your suppliers filed in their GSTR-1. Reconciling it monthly is the single biggest lever for ITC compliance.

Pull 2B Go to **GST → Reconciliation → GSTR-2B**. Pick the period and click **Fetch**. AskBooks pulls the 2B JSON via the GSTN API.

The reconciliation matrix You'll see four buckets: - **Matched** — invoice exists in both 2B and your books, amounts agree. Auto-claim ITC. - **In books, not in 2B** — your supplier hasn't filed yet. Send a reminder via the built-in nudge. - **In 2B, not in books** — supplier filed but you haven't recorded. Either accept (auto-create the bill) or dispute. - **Mismatch** — both sides have it but amounts/tax differ. Click to see the diff.

ITC decision Tick *Eligible for ITC* on each matched line. The total flows through to GSTR-3B automatically.

Lock the period Once reconciled, click **Lock period**. Future edits to that month's purchase bills require an unlock by an admin, and every change is logged.