Creating a TNTAP logon Click here to watch a step-by-step video on creating a Tennessee Taxpayer Access Point (TNTAP) logon. October 18, 2018 18:29 Related articles Logging into TNTAP What information do I need to create a TNTAP login or gain access to an account in TNTAP? How do I register for sales and use tax? How do I file sales and use tax online? As a third-party taxpayer representative, do I need separate logons for access to each of my clients?