Beginning January 1, 2016, the Arizona Department of Revenue will become the single point of administration and collection of state, county and municipal transactions privilege tax (TPT). The previously stated effective date was January 1, 2015.Taxpayers should continue to file TPT to the state and municipalities as they have been doing. Non-program cities will administer their own renewals, licensing and payments through 2015.(Release, Arizona Department of Revenue, October 28, 2014)