Mont. Code Ann. § 20-25-802

Said compact shall become operative and binding at the time provided and in accordance with Article X of said compact. The governor of Montana shall give notice of the approval, ratification, and adoption of said compact by the 32nd legislative assembly of the state of Montana to the governors of each of the states and territories named in said Article X of said compact. The governors shall have power to appoint the commissioners for which provision is made in the compact, and said commissioners shall have the power and authority specified in said compact and such other power and authority as may hereafter be prescribed by law.