Michigan Compiled Laws, Chapter 600. Revised Judicature Act of 1961 § 600.4803

Sec. 4803. (1) Except as otherwise provided in subsection (3), a person who fails to pay a penalty, fee, or costs in full within 56 days after that amount is due and owing is subject to a late penalty equal to 20% of the amount owed. The court shall inform a person subject to a penalty, fee, or costs that the late penalty will be applied to any amount that continues to be unpaid 56 days after the amount is due and owing. Penalties, fees, and costs are due and owing at the time they are ordered unless the court directs otherwise. The court shall order a specific date on which the penalties, fees, and costs are due and owing. If the court authorizes delayed or installment payments of a penalty, fee, or costs, the court shall inform the person of the date on which, or time schedule under which, the penalty, fee, or costs, or portion of the penalty, fee, or costs, will be due and owing. A late penalty may be waived by the court upon the request of the person subject to the late penalty.

(2) Within 30 days after receiving a late penalty, the clerk of the court shall transmit the amount received to the treasurer or chief financial officer of the funding unit of the court, for deposit in the general fund of the funding unit.

(3) This section does not apply to a juvenile or a parent, guardian, or legal custodian of a juvenile within the jurisdiction of the court under section 2 of chapter XIIA of the probate code of 1939, 1939 PA 288, MCL 712A.2.

(4) As used in this section, “funding unit” means 1 of the following as applicable: