Mich. Comp. Laws § 389.193: Accrued rights and liabilities.

Sec. 193.

Except as specifically otherwise provided in this act, this act shall not impair or affect any act done, offense committed or right accruing, accrued or acquired, or liability, penalty, forfeiture or punishment incurred prior to the time this act takes effect, but the same may be enjoyed, asserted, enforced, prosecuted or inflicted, as fully and to the same extent as if this act had not been passed.