What can I do on TNTAP? This video provides information about what you can do using the Tennessee Taxpayer Access Point (TNTAP). October 18, 2018 19:56 Related articles TNTAP: Filing a Business Tax Return Navigating in Your TNTAP Account How do I renew my business licenses? My local clerk said I would have to renew through the Department of Revenue. How do I pay the professional privilege tax online? How do I make an estimated payment in TNTAP?