Mich. Comp. Laws § 500.2007: Unfair methods of competition or deception; false, deceptive or misleading advertising.

Sec. 2007.

The following are defined as unfair methods of competition and unfair and deceptive acts or practices in the business of insurance:

Making, publishing, disseminating, circulating, or placing before the public, or causing, directly or indirectly, to be made, published, disseminated, circulated, or placed before the public, in a newspaper, magazine or other publication, or in the form of a notice, circular, pamphlet, letter or poster, or over any radio station, or in any other way, an advertisement, announcement or statement containing any assertion, representation or statement with respect to the business of insurance or with respect to any person in the conduct of his insurance business, which is untrue, deceptive or misleading.