Applicants are required to provide their AO Code details in the application. Online Application for New PAN (Form 49A) Guidelines.Click here for detailed Instructions for filling form49A. (2) It is mandatory for the applicants to mention either their ''Telephone number'' or valid. Form 49AA (For Foreign Residents). Foreign nationals and non-resident Indians (NRIs) must fill out Form 49AA to apply for a PAN card. Step-1- Visit the official website of NSDL or UTIITSL.