Mich. Comp. Laws § 338.1089

Sec. 39. (1) Unless sworn and fully empowered as provided in section 37a, upon being appointed under section 37 by a private college or university licensed under this act, private college security officers have the power to make arrests as provided in section 30. (2) Unless sworn and fully empowered as provided in section 37a, upon being appointed under section 37 by a private college or university licensed under this act, private college security officers may exercise the powers conferred in this act only on property owned or leased by the private college or university, wherever situated. (3) Unless sworn and fully empowered as provided in section 37a, private college security officers are not law enforcement officers as defined in the commission on law enforcement standards act, 1965 PA 203, MCL 28.601 to 28.616.