Mich. Comp. Laws § 423.253a: Strikes or lockouts; solicitation or advertisement for employees, referrals, notice.

Sec. 3a.

No person, partnership, agency, firm or corporation, or officer or agent thereof, shall recruit, solicit or advertise for employees, or refer persons to employment, in place of employees involved in a lawful strike or lockout, without adequate notice to the person, and in the advertisement, that there is a strike or lockout at the place at which employment is offered and that the employment offered is in place of employees involved in the strike or lockout.