How long does it take for my return to update to my account? Submitted returns will update to your tax account overnight. March 04, 2017 21:53 Related articles Can I print a copy of my return? Can I cancel/change a return in TNTAP? How will I know if my request was successful? What if I make a mistake filing my tax return on TNTAP? I forgot my password for filing business tax online. What do I do?