October 10, 2011
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Challan correction permits amendment of payment fields through banks within prescribed time limits, subject to validation and conditions.
The Challan Correction Mechanism under OLTAS allows banks to correct Assessment Year, Major Head Code, Minor Head Code, TAN/PAN, Total Amount and Nature of Payment for physical challans (payments from 1.9.2011), with taxpayer request windows of seven days for TAN/PAN, Assessment Year and Amount and three months for other fields. Banks have seven days to act; corrections are subject to conditions including prohibition on name changes, validation matching for PAN/TAN and amount consistency with funds credited, one correction per challan (with a narrow exception), and mandatory documentary and submission procedures. Assessing officers may correct challans after the bank window.