Sec. 4. That this compact shall become operative immediately upon its ratification by any state as between it and the other state or states so ratifying. Ratification shall be made by act of the legislature of the ratifying state.
Effective date, ratification.
Mich. Comp. Laws § 2.204, under MICHIGAN, MINNESOTA, AND WISCONSIN BOUNDARIES.
Mich. Comp. Laws § 2.204