TNTAP: Add Access to Another Account This video provides information on how to add access to another account in TNTAP. October 18, 2018 20:07 Related articles TNTAP: Filing a Business Tax Return How do I add access to another account on TNTAP? What is an account ID? What information do I need to create a TNTAP login or gain access to an account in TNTAP? How do I make an estimated payment in TNTAP?