Michigan Compiled Laws, Chapters 760 to 777 Code of Criminal Procedure § 764.2b

(a) The law enforcement officer is authorized to arrest a person, with or without a warrant, for a violation of a penal statute or law in the adjacent state.

(b) The law enforcement officer is on duty as a law enforcement officer in the adjacent state.

(c) The law enforcement officer notifies a law enforcement officer or agency of this state that he or she is in this state and 1 or more of the following apply:

(a) “Adjacent state” means Indiana, Ohio, Minnesota, or Wisconsin.

(b) “Emergency” means a sudden or unexpected circumstance that requires immediate action to protect the health, safety, welfare, or property of an individual from actual or threatened harm or from an unlawful act.

(c) “Law enforcement officer of this state” means a law enforcement officer as defined in section 2 of the commission on law enforcement standards act, 1965 PA 203, MCL 28.602.