Mich. Comp. Laws § 691.1673

Sec. 3. A political subdivision of this state shall not commence or maintain an action as follows: (a) After January 1, 2021, an action related to the released claims as defined in the distributor settlement against the released entities as defined in the distributor settlement. (b) After January 1, 2021, an action related to the released claims as defined in the Janssen settlement against the released entities as defined in the Janssen settlement. (c) After January 1, 2022, an action related to the released claims as defined in the Allergan settlement against the released entities as defined in the Allergan settlement. (d) After January 1, 2022, an action related to the released claims as defined in the CVS settlement against the released entities as defined in the CVS settlement. (e) After January 1, 2022, an action related to the released claims as defined in the Teva settlement against the released entities as defined in the Teva settlement. (f) After January 1, 2022, an action related to the released claims as defined in the Walgreens national settlement against the released entities as defined in the Walgreens national settlement. (g) After January 1, 2022, an action related to the released claims as defined in the Walmart settlement against the released entities as defined in the Walmart settlement.