The law
Income-tax Act 1961, Sec 139AA (Sec 262 of Income-tax Act 2025)
PAN holders must intimate Aadhaar; PAN becomes inoperative if not linkedSource
Income-tax Act 1961, Sec 234H (now Sec 430)
Fee not exceeding ₹1,000 for intimating Aadhaar after the prescribed dateSource
Income-tax Rules 1962, Rule 114(5A) (now Rule 158)
Fee ₹1,000 (₹500 only for 1 April to 30 June 2022)Source
CBDT Circular 03/2023
Inoperative PAN from 1 July 2023: no refund, no interest on refund, higher TDS under Sec 397(2) (old Sec 206AA) and TCS under Sec 206CCSource
Notification 26/2025 (3 April 2025)
PAN allotted on Aadhaar enrolment ID must be linked with actual Aadhaar by 31 December 2025, else inoperative from 1 January 2026Source
Sec 139AA(3) exemptions
Not compulsory for residents of Assam, Jammu and Kashmir, Meghalaya, non-residents, persons 80 or older, and non-citizensSource
Government fee
₹1,000 under Sec 430 (old Sec 234H) read with Rule 158 (old Rule 114(5A)), paid in one challan on e-Pay Tax: major head 0021, minor head 500 (Other Receipts), sub-type 'Fee for delay in linking PAN with Aadhaar'. Source: https://www.incometax.gov.in/iec/foportal/help/all-topics/e-filing-services/link-aadhaar-um and https://www.incometaxindia.gov.in/w/what-is-fee-for-default-relating-to-intimation-of-aadhaar-number-
Late fee or penalty
The ₹1,000 fee is itself the late fee. Biometric authentication at a PAN service centre (for mismatches) carries an extra charge. Source: https://www.incometax.gov.in/iec/foportal/help/all-topics/e-filing-services/%20Link%20Aadhaar-faq