Mich. Comp. Laws § 419.104

Sec. 4. (1) This act applies only to a peace officer who suffers disability and to the surviving spouse, and dependents, elective or appointive, of a peace officer of this state, or of any political subdivision thereof, who is killed as the result of active duty in the enforcement of the laws of this state, or of an adjoining state. (2) Any such peace officer, or the surviving spouse or dependents of the peace officer, who shall receive any insurance or benefit maintained for such peace officer, or his or her dependents, by any political subdivision of this state shall not come under the provisions of this act if the amount received by the peace officer, the surviving spouse or dependents is equivalent to the amount provided for by this act. If the amount is less than provided by this act, then the difference shall be paid from the appropriation provided therefor. (3) As used in this section, "peace officer" includes the estate of the peace officer. (4) This act does not apply to the Michigan state police, their spouses, or dependents.