The Missouri Chamber of Commerce has come out against a proposal expected to be introduced in the upcoming session of the Missouri General Assembly. It’s a tax simplification plan designed to ease inter-state commerce by eliminating certain local sales taxes and shifting them to the state level. The Chamber’s Ray McCarty says the proposal calls for the elimination of tourism taxes, which are used to help communities and fund convention and visitors bureaus. McCarty claims cities and counties would lose more than $155 million in sales tax revenue, or 12% of their current tax base.