https://www.taxtmi.com/forum/issue?id=120694 Taxpayer paid self-assessment tax under minor head 300 but entered an incorrect challan date, causing a tax credit mismatch and a CPC demand. A rectification request for Tax Credit Mismatch was filed and remains submitted; portal error ITD EXEC 2003 prevents responding. Operative steps: escalate offline with certified challan evidence, file a stay of demand request, and pursue parallel grievance escalation while the rectification is pending. en-us Mon, 05 Jan 2026 00:49:51 +0530 Mon, 05 Jan 2026 10:32:07 +0530 TaxTMI RSS Generator https://www.taxtmi.com/forum/issue?id=120694 Taxpayer paid self-assessment tax under minor head 300 but entered an incorrect challan date, causing a tax credit mismatch and a CPC demand. A rectification request for Tax Credit Mismatch was filed and remains submitted; portal error ITD EXEC 2003 prevents responding. Operative steps: escalate offline with certified challan evidence, file a stay of demand request, and pursue parallel grievance escalation while the rectification is pending. Discussion-Forum Income Tax Mon, 05 Jan 2026 00:49:51 +0530 https://www.taxtmi.com/forum/issue?id=120694