Pan card link: 3

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 ? It has become a mandatory process to link your PAN with Aadhaar. This is an important process because this will allow your income tax returns to be processed. For new applicants of PAN card , the Aadhaar PAN linking is done automatically. Step by step procedure to link PAN to Aadhaar on the new e-filing portal's home page. This service is available for both registered and unregistered users.