A municipality located entirely outside of Blount County is prohibited from imposing any municipal ordinance or regulation, including, but not limited to, any tax, zoning, planning, or sanitation regulations, and any inspection service in its police jurisdiction located in Blount County. A municipality prohibited from imposing any tax or regulation under this amendment shall not provide any regulatory function or police or fire protection services in its police jurisdiction located in Blount County, other than public safety mutual aid.