Mich. Comp. Laws § 205.66

Sec. 16. Any person against whom a tax shall be assessed as herein provided may be restrained and enjoined by proper proceedings instituted in the name of the state of Michigan, brought by the attorney general at the request of the department, from engaging and/or continuing in a business for which a privilege tax is required by the provisions of this act, until such tax shall have been paid, and/or license secured, and until such person shall have complied with the provisions of this act.