Local Government, General - As enacted, clarifies that the general assembly occupies the entire field of the regulation of shopping carts, including their purchase, use, taxation, manufacture, ownership, sale, storage, and transportation, to the exclusion of all county or metropolitan government laws, ordinances, resolutions, enactments, or regulations; prohibits a county or metropolitan government, or any agency, department, or official of a county or metropolitan government, from adopting an ordinance, resolution, or other regulation requiring a business to adopt a shopping cart policy of any nature or imposing a fee or fine on a business related to shopping carts. - Amends TCA Title 5, Chapter 1 and Title 6, Chapter 54.