As part of new Income Tax regulations in India, customers using post office services must now provide their Permanent Account Number (PAN) for various transactions, including opening new accounts, making deposits, and withdrawals. This shift aims to enhance compliance and create a clearer audit trail for financial activities, thereby reducing opportunities for tax evasion. For those without a PAN, additional documentation is required through Form 97, which captures essential transaction details. This replaces the less structured Form 60. Furthermore, the introduction of a new Form 121 simplifies the process for avoiding tax deduction at source (TDS) on interest income, consolidating the previous Forms 15G and 15H into one. While filing Form 121 is not mandatory for all depositors, it is necessary for those wishing to avoid TDS, provided they meet specific eligibility criteria. The Department of Posts has established guidelines for managing these forms, indicating a transition phase where both old and new systems may operate concurrently. Overall, these changes signify a move towards stricter compliance for post office savings products, aligning them more closely with banking norms.