The commission may not adopt rules restricting competitive bidding or advertising by a license holder except to prohibit false, misleading, or deceptive practices. Commission rules to prohibit false, misleading, or deceptive practices may not:
(1) restrict the use of any medium for advertising;
(2) restrict the use of a license holder's personal appearance or voice in an advertisement;
(3) relate to the size or duration of an advertisement by the license holder; or
(4) restrict the license holder's advertisement under a trade name.