In simple words: This article explains the return from a practical filing perspective—what information belongs in it, which records should support it, how to reconcile it and what can go wrong if the data is reported incorrectly.
1. 1. Copying monthly totals without reconciliation
Annual return is not simply a total of spreadsheets; investigate differences with filed returns and books.
Practical control: Reconcile the relevant books/records with GST Portal return data before filing and retain the working supporting the figure.
2. 2. Ignoring GSTR-2B/Table 8A
Use the portal's document-wise details for a proper ITC reconciliation.
Practical control: Reconcile the relevant books/records with GST Portal return data before filing and retain the working supporting the figure.
3. 3. Missing next-year adjustments
Review April-to-specified-period transactions affecting the previous year.
Practical control: Reconcile the relevant books/records with GST Portal return data before filing and retain the working supporting the figure.
4. 4. Incorrect ITC reversals
Map each reversal to the correct reason and monthly return.
Practical control: Reconcile the relevant books/records with GST Portal return data before filing and retain the working supporting the figure.
5. 5. HSN mismatch
Reconcile Table 17/18 with the annual HSN workings.
Practical control: Reconcile the relevant books/records with GST Portal return data before filing and retain the working supporting the figure.
6. 6. Ignoring additional liability
Where additional liability is identified, follow the applicable payment procedure; the portal provides a DRC-03 route for additional liability declared in GSTR-9.
Practical control: Reconcile the relevant books/records with GST Portal return data before filing and retain the working supporting the figure.
7. 7. Filing without preview
Always review draft PDF/Excel before final filing.
Practical control: Reconcile the relevant books/records with GST Portal return data before filing and retain the working supporting the figure.
Recommended workflow
Books / Registers→GST Portal data→Reconcile→Review→File
Final checklist
- All relevant invoices and documents are recorded.
- Taxable value and tax-head classification are reconciled.
- Amendments and credit/debit notes are considered.
- Portal auto-populated data has been reviewed rather than blindly accepted.
- Material differences have a documented explanation.
- Preview and payment/offset have been checked before filing.
Knowledge-purpose disclaimer: This article is for general educational and practical understanding. GST law, rules, notifications, circulars, portal functionality and filing procedures can change. Verify the provisions and procedures applicable to the relevant tax period and the facts of the transaction before taking a final tax position.