How To Link Aadhaar-PAN Online: ExplainerAadhaar-PAN Linking Last Date is March 31, 2022: According to the latest Finance Bill, a person will be liable to pay a late fee of up to ₹ 1,000 in case of non-linking of the PAN number with the Aadhaar by the due date.It is now mandatory to link the Aadhaar number with PAN to complete income-tax-related tasks such as filing returns on income. Everyone who has been allotted a PAN and is eligible to obtain an Aadhaar number has to link them.Aadhaar, also known as a Unique Identity number, is a 12-digit number issued by the Unique Identification Authority of India (UIDAI). PAN is a 10-digit alphanumeric number allotted by the Income Tax (I-T) department.PAN Card can be easily linked to the Aadhaar number online as the Income Tax department allows users to link the two unique identification numbers through its website. Here’s how you can link your PAN with your Aadhaar card online:Log on to the income tax return e-filing website – www.incometaxindiaefiling.gov.inClick on the ‘link Aadhaar’ option Enter the correct Permanent Account Number, Aadhaar Number, and full name (as given on the Aadhaar card) in the designated fields.Enter other details in the designated field, such as date of birthEnter the captcha codeSelect the relevant option and click on the ‘link Aadhaar’ button at the bottom of the webpageThe last date for linking the Permanent Account Number (PAN) with Aadhaar is March 31. A person will have to pay a late fee of ₹ 1,000 if the two identification cards are not linked by today. And if the PAN card is not linked with the Aadhaar card, it will become inactive.