(2) It is mandatory for the applicants to mention either their ''Telephone number'' or valid. An applicant will fill Form 49A online and submit the form.(b), If there are any errors, rectify them and re-submit the form. This document is an acknowledgement of a PAN (Permanent Account Number) application. Fill in the application. Attach signature and photograph to the application. Downloadable forms for eFiling, Divorces, and Suites Affecting the Parent-Child Relationship, Child Support, Hail Claims, Legal, LegalEase, and Passports. By mail: P. O. Box 12128, Austin, TX 78711-2128.