The compact set forth in section 42-3403[, Idaho Code,] shall not become operative unless and until it has been ratified and approved by appropriate legislative enactment by the states of Washington, Oregon and Montana, and has been consented to and approved by the congress of the United States by legislation conforming to the requirement of subdivision A of article XIV of said compact. The governor of Idaho shall give notice of the ratification and approval of this compact by the Idaho legislature to the governors of the states of Washington, Oregon, Montana, Wyoming, Nevada and Utah and to the President of the United States.
Idaho Code § 42-3505