https://www.taxtmi.com/forum/issue?id=115523 When a wrong GSTIN is declared in GSTR 1, attempt portal amendment or raise a technical ticket; otherwise issue a credit note and revised invoice and disclose adjustments in the relevant return within statutory time limits. For SEZ supplies, secure endorsement from the SEZ authority and a receiving unit declaration to support a refund claim, and if administrative remedies fail, write to the department and pursue appeals against refund rejections, arguing procedural lapse without dispute on supply or use. en-us Sat, 12 Oct 2019 15:50:20 +0530 Thu, 23 Jan 2025 15:54:57 +0530 TaxTMI RSS Generator https://www.taxtmi.com/forum/issue?id=115523 When a wrong GSTIN is declared in GSTR 1, attempt portal amendment or raise a technical ticket; otherwise issue a credit note and revised invoice and disclose adjustments in the relevant return within statutory time limits. For SEZ supplies, secure endorsement from the SEZ authority and a receiving unit declaration to support a refund claim, and if administrative remedies fail, write to the department and pursue appeals against refund rejections, arguing procedural lapse without dispute on supply or use. Discussion-Forum GST Sat, 12 Oct 2019 15:50:20 +0530 https://www.taxtmi.com/forum/issue?id=115523