Mich. Comp. Laws § 801.254: Employed prisoner; disbursement of wages; priority.

Sec. 4.

The sheriff or friend of the court shall disburse the wages or salary of an employed prisoner for only the following purposes in the order stated:

Board of the prisoner;

Necessary travel expense to and from work and other incidental expenses of the prisoner;

Support of the prisoner's dependents, if any;

Payment, either in full or ratably, of the prisoner's obligations, acknowledged by him in writing, or which have been reduced to judgment;

The balance, if any, to the prisoner upon his discharge.