How do I register for taxes that are part of the Tennessee Taxpayer Access Point (TNTAP)? Watch the webinar below to learn more. January 31, 2018 22:29 Related articles If I am a third-party user, how do I register for TNTAP account access? How do I get a TNTAP logon? How do I register for Tennessee taxes not in the Tennessee Taxpayer Access Point (TNTAP)? How do I get a copy of my resale certificate? Do businesses receive annual license renewal mailings?