Idaho Code § 33-3602
The foregoing compact shall as to the state of Idaho become operative, and shall be in full force and effect in accordance with the provisions of Article X thereof, upon the passage and approval of this act, and the Governor shall thereafter execute the Compact by and on behalf of this state in accordance with the terms thereof.
[(33-3602) 1953, ch. 248, sec. 2, p. 391.]