Michigan Compiled Laws, Chapter 400. Social Services § 400.59e

Sec. 59e. The state department shall make suitable rules and regulations governing the sending and form of notices and evidence in domicile and legal settlement cases, and the sending of bills for aid granted as provided in section 68a of this act,  1 to insure prompt and economical administration of the accounting for and collection of the aid granted. When settlement is found in this state and the county of domicile is finally determined by the director of the state department to be some county other than the initiating county, the county of domicile shall be charged for all aid granted in accordance with law by the county department where application was made during the 1 year preceding the date of determination.