Mich. Comp. Laws § 462.379

Sec. 379. The keepers of jails, lockups, and station houses in any county, city, village, or township shall receive all persons arrested by a railroad police officer for the commission of any offense against the laws of the United States, of this state, or the ordinances of the city, village, or township, to be dealt with according to law. The persons arrested shall be received by the keepers of jails, lockups, or station houses on the same basis, and shall have the same status, as persons arrested by any other peace officer of this state.