Unless you hang your hat in Delaware or New Hampshire or live in one of the few countries that don’t assess sales tax, you probably hand money to the government almost every time you buy something. In many U.S. states, the levy on purchases runs 5 to 7 percent or more and, with local surtaxes, you can wind up paying as much as 15.5 percent on most purchases.
State taxation in the United States
Wisconsin MROs have once again been foiled in their attempt to get the state legislature to exempt private aircraft maintenance and modification from the 5.5-percent state sales tax. While the tax does not apply to aircraft operated under Part 121 or 135 certificates, it does apply to those operating under Part 91.