Link Aadhaar is a service available to both registered and unregistered users of the e-filing portal to link their PAN , pre-login to the portal, post-login to the portal or to view their Link Aadhaar Status. For new applicants of PAN card, the Aadhaar PAN linking is done automatically during the application stage. For existing PAN holders, who were allotted PAN on or before 01-07-2017 it is mandatory to link PAN with Aadhaar . The Link Aadhaar service is available to individual taxpayers (both registered and unregistered on e-Filing Portal). If you do not link your PAN with the Aadhaar till 30 th June 2023, your PAN will become inoperative. However, people who fall under the exempted category ... 3. How to link Aadhaar and PAN ? Both registered and unregistered users can link their Aadhaar and PAN on the e-filling portal,even without logging in. You can use the quick link Link Aadhaar on the e-Filing home page to link Aadhaar and PAN . 4. What will happen if I don't link Aadhaar and PAN ? How to Link PAN Card with Aadhaar -Through e-filing or offline. Know the penalty process, the importance of linking , and fix name mismatches.