PAN
Permanent Account Number (PAN) is a 10-character alphanumeric identifier issued by the Income Tax Department under Section 139A of the Income Tax Act, serving as the universal identifier for all financial and tax transactions in India.
PAN was introduced to create a single, permanent identifier for tracking all financial transactions of a person across the country, making it harder to split taxable income across identities or evade taxes. The format is AAAAA9999A — five letters, four digits, and one letter. The fourth character indicates the type of taxpayer (P for individual, C for company, H for HUF, F for firm, etc.), and the fifth character is the first letter of the PAN holder's surname.
For equity investors, PAN is mandatory for opening a demat account, trading account, and for all mutual fund investments. The Securities and Exchange Board of India (SEBI) and AMFI mandate PAN-based KYC for all market participants. Without a valid PAN linked to the demat account, investors cannot participate in the stock market. PAN is also the primary key that links all reported financial transactions in the Annual Information Statement and Form 26AS.
Linking PAN with Aadhaar became mandatory from July 1, 2017 under Section 139AA. PAN cards not linked to Aadhaar by the extended deadlines were declared inoperative — inoperative PANs face higher TDS rates (20% instead of standard rates), denial of ITR processing, and inability to conduct financial transactions. Reactivation requires paying a fee and completing the Aadhaar linkage on the income tax e-filing portal.
For NRIs, PAN is required for any India-based financial activity, including holding listed shares, receiving dividends, or filing ITR. NRIs obtaining PAN must use Form 49A and provide relevant identity documents. However, NRIs are exempt from mandatory Aadhaar linkage, and their PAN remains operational without Aadhaar linkage as long as the correct NRI residential status is updated on the income tax portal.
A less-known provision is that quoting a false PAN or not quoting PAN in prescribed transactions attracts a penalty of ₹10,000 under Section 272B. Financial institutions and market intermediaries are required to report high-value transactions against PAN to the income tax department — these reports flow into AIS and are cross-referenced against ITR filings to identify discrepancies, making PAN the backbone of India's tax compliance and financial transaction monitoring framework.