(1) Except as provided in subsection (b), a county legislative body shall not adopt or enforce a resolution or ordinance that prohibits or restricts, or has the effect of prohibiting or restricting, a property owner from displaying a flag of the United States of America, a flag of the state of Tennessee, the MIA/POW flag, or an official or replica flag of any branch of the United States armed forces on the property owner's property.
(2) A county legislative body may adopt and enforce a resolution or ordinance that reasonably regulates the manner and placement of the display of a flag of the United States of America, a flag of the state of Tennessee, the MIA/POW flag, or an official or replica flag of any branch of the United States armed forces only when necessary to promote public health and safety.