(a) A franchised dealer may not operate without appropriate signs that:
(1) are readily and easily visible to the public; and
(2) identify the dealer's place of business and the products the dealer offers for sale.
(b) To the extent of a conflict between this section and another law, including an ordinance, this section prevails.
(c) If a dispute arises under this section:
(1) the board has exclusive jurisdiction to determine whether a sign complies with this section; and
(2) the board shall uphold an ordinance of a home-rule municipality and protect a franchised dealer from retribution by a manufacturer or distributor for complying with the ordinance.