HB 2328 -- Sales Tax Exemption for Certain Businesses Operating in a Mine Sponsor: Wasson This bill authorizes a state and local sales and use tax exemption on purchases of electricity, gas, propane, water, telecommunications services, other utilities, machinery, and equipment for a person operating a business in a mine that is not used for mining if the mine contains at least one million square feet of space for business use.Copyright (c) Missouri House of Representatives