If the TDS claimed in your tax return is correct, then you can file an online rectification application under section 154 (1) for mistakes in intimation order under section 143 (1). If I have a disagreement with the refund mentioned in the intimation order , what can be done? Open Intimation Order under Section 143 (1)The intimation order is password -protected. The password to open the intimation letter is PAN in lowercase and the date of birth (DDMMYYYY) is without any space. Article explains the password combination for Opening ITR-V/Acknowledgement, Form 26AS, Any Intimation / Order and TDS Provisional Receipt/Acknowledgement and for extracting TDS Justification Report, Conso File, TDS Certificates ZIP File and 26AS ZIP File. ITR intimation password : Upon processing your income tax return, the Income Tax Department sends a Section 143(1) intimation notice, a password -protected PDF. This notice confirms whether your income calculation matches the tax department's records, highlighting potential tax dues or refunds. So its ...