Michigan Compiled Laws, Chapters 760 to 777 Code of Criminal Procedure § 764.16

(a) For a felony committed in the private person's presence.

(b) If the person to be arrested has committed a felony although not in the private person's presence.

(c) If the private person is summoned by a peace officer to assist the officer in making an arrest.

(d) If the private person is a merchant, an agent of a merchant, an employee of a merchant, or an independent contractor providing security for a merchant of a store and has reasonable cause to believe that the person to be arrested has violated section 356c or 356d of the Michigan penal code, Act No. 328 of the Public Acts of 1931, being sections 750.356c and 750.356d of the Michigan Compiled Laws, in that store, regardless of whether the violation was committed in the presence of the private person.