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 How do I add access to another account on TNTAP? What information do I need to create a TNTAP login or gain access to an account in TNTAP? How do I file and pay franchise and excise tax online? TNTAP: Gaining Access as a Third Party What is a consolidated tax account?