GST payment discrepancy form enables taxpayers to report debited payments not reflected on the Common Portal due to missing CIN. Form GST PMT 07 allows a taxpayer to report a payment discrepancy when an amount debited from the taxpayer's account is not reflected on the Common Portal due to non receipt or non reporting of the CIN. It collects taxpayer identification, CPIN and BRN/UTR, mode and instrument details, bank/payment gateway particulars, debit/realization dates, and allocation across tax heads, and requires verification by an authorized signatory. The Common Portal forwards the complaint to the bank and notifies the taxpayer.