Voters in Arizona have overwhelmingly approved a constitutional amendment prohibiting state and local governments from taxing any service not subject to tax. This constitutional amendment shall be known and may be cited as the Protect Arizona.The Arizona Constitution is also very different. Article IX of the Arizona Constitution is entitled Public Debt, Revenue, and Taxation. A Concurrent Resolution proposing an amendment to the Constitution of Arizona; amending article IV, part 1, section 1, Constitution of Arizona. The Arizona State Constitution has been updated to include the revised sections from the 55th Legislature, 1st Regular Session. Are amendments required? (3) Referendum power; emergency measures; effective date of acts. Know about: GST Amendment Act; History of Goods and Services Tax; Constitutional amendments for Goods and Services Tax. 6, 2021 Internal Revenue Bulletin) relating to accounting method changes.