The Western Regional Higher Education Compact, recommended by the Western Governors' Conference on November 10, 1950, for adoption by the states or territories of Alaska, Arizona, California, Colorado, Idaho, Hawaii, Montana, Nevada, New Mexico, Oregon, Utah, Washington, and Wyoming, is ratified and approved and the adherence of this state to this Compact, upon its ratification and approval by four or more of these states or territories in addition to this state, is declared.