Mich. Comp. Laws § 484.1903

Sec. 3. If a service member is transferred, or deployed overseas, on active duty for a period of 179 days or more, to an area where the service member's existing wireless telecommunications provider does not offer facilities-based wireless service, the service member, or the spouse of a service member acting on behalf of that service member if he or she is authorized by the service member to make changes to the account, may terminate any contract with the wireless telecommunications provider that meets all of the following requirements: (a) The service member is a party to the contract. (b) The contract is entered into on or after the effective date of this act. (c) The contract is executed before the service member is transferred, or deployed overseas, on active duty. (d) The wireless telecommunications service provided under the contract is not wireless telecommunications service to a wireless telephone or other telecommunications device installed in a motor vehicle.