This part does not apply to:
(1) actions or transactions permitted under laws administered by the Montana public service commission or the state auditor; or
(2) acts of a retail merchant, publisher, owner, agent, or employee of a newspaper, periodical, or radio or television station or advertising agency in the publication or dissemination of an advertisement when the merchant, publisher, owner, agent, or employee did not have knowledge of the false, misleading, or deceptive character of the advertisement.