Applicants are required to provide their AO Code details in the application. (2) It is mandatory for the applicants to mention either their ''Telephone number'' or valid.Online Application for New PAN (Form 49A) Guidelines. Click here for detailed Instructions for filling form49A. Form 49A is the official application form for obtaining a PAN card. Read our article to learn all about it. It provides details of the applicant such as name, father's name, date of birth, identification documents provided, and contact information. Ingratiating Himself into an Existing Institution just to Subvert it: Taming the Lion at Home.