Any person, association or corporation having heretofore acquired a right from an adjoining state to the beneficial use of the water of any stream, entering the state of Wyoming and where the point of diversion of the appropriation is located in the adjoining state and the ditch irrigates land within the state of Wyoming, and who desires to change the point of diversion from said stream from within the adjoining state to a point within the state of Wyoming, shall petition therefor to the state board of control.
W.S. 41-3-209