https://www.taxtmi.com/forum/issue?id=113935 Incorrectly reported invoice number in a filed GSTR 1 cannot be changed in the past return; corrections should be made in the subsequent month's return under Statement 2A. The portal blocks duplicate invoice numbers across periods, so taxpayers may temporarily use a distinct identifier (such as a suffix) when uploading the invoice and then regularize the correct number through the next period's amendment filing. en-us Mon, 09 Jul 2018 14:14:59 +0530 Thu, 23 Jan 2025 15:55:22 +0530 TaxTMI RSS Generator https://www.taxtmi.com/forum/issue?id=113935 Incorrectly reported invoice number in a filed GSTR 1 cannot be changed in the past return; corrections should be made in the subsequent month's return under Statement 2A. The portal blocks duplicate invoice numbers across periods, so taxpayers may temporarily use a distinct identifier (such as a suffix) when uploading the invoice and then regularize the correct number through the next period's amendment filing. Discussion-Forum GST Mon, 09 Jul 2018 14:14:59 +0530 https://www.taxtmi.com/forum/issue?id=113935