Mich. Comp. Laws § 324.8320: Reciprocal agreements.

Sec. 8320.

The director may enter into reciprocal agreements with other states or federal agencies for the purpose of accepting certification or registration required for pesticide applicators, if those states or federal agencies have an approved program to certify or register applicators, and if the requirements for certification or registration by those states or federal agencies equal or exceed the certification or registration requirements of this state.