Mich. Comp. Laws § 450.3003: Foreign corporation conducting affairs without certificate of authority; duties, restrictions, penalties, and liabilities.

Sec. 1003.

A foreign corporation which conducts affairs in this state without a certificate of authority under this act is subject to the same duties, restrictions, penalties, and liabilities now or hereafter imposed upon a foreign corporation which receives such certificate of authority, in addition to any other penalty or liability imposed by law.