Mismatch of Sales Invoice in GSTR-1

This query is : Resolved

Ramit (Querist)
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03 November 2025 Will there be any interest applicable if july month of invoice reissued in august month and show this invoice in august gstr-1 and also pay tax in august gstr-3b.
Also customer raises a query that he need july month invoice in gstr-1 because he make partial payemnt against this invoice. In this case what will be solution as customer said that he will not the balance payment unless original july invoice not shown in gst portal.

Dhirajlal Rambhia

Dhirajlal Rambhia (Expert)
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04 November 2025 If a July invoice is reissued in August, shown in August GSTR-1, and tax is paid in August GSTR-3B, interest is generally applicable for the delay in reporting and payment unless the tax liability was already discharged using funds in the e-cash or e-credit ledger. The GST law (Section 50) mandates interest for delayed payment, usually calculated from the due date of the original tax period to the date payment is made in GSTR-3B. If the liability is paid late, interest must be paid along with the tax amount in the subsequent month.

Interest Applicability
Interest applies on delayed tax payment if not already covered in the appropriate month’s e-ledger.

Calculation is generally at 18% per annum from the due date of July return till paid in August.

If the liability was already deposited in e-cash/e-credit ledger, recent judgements suggest interest may only apply to net cash liability.

Dhirajlal Rambhia

Dhirajlal Rambhia (Expert)
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04 November 2025 GSTR-1 cannot be amended after filing; a missed invoice for July can only be shown in the next available GSTR-1 (i.e., August), not retroactively in July.

The invoice will be reflected in the recipient’s GSTR-2A only for the period it is eventually reported (August), even if payment was partially made earlier.

There is no official way to insert the July invoice in July GSTR-1 after the return has already been filed.

Dhirajlal Rambhia

Dhirajlal Rambhia (Expert)
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04 November 2025 Solution for Customer’s Partial Payment and Invoice Visibility
Advise the customer that the missed July invoice will be visible in GSTR-2A/August period but not in July; they can claim Input Tax Credit based on the date it appears in GSTR-2A.

If the customer insists, you may share the invoice (hard copy/PDF) and payment records for July for their documentation, clarifying that GSTR-1 amendment is not possible after submission.

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