B. In the acquisition, construction or development of water-related facilities, the authority shall cooperate with established and existing state agencies and political subdivisions of this state and with the United States and other states.
C. The authority may not begin negotiations regarding any agreement involving the use, storage or conservation of Colorado River water outside this state without the express written approval of the director of water resources and may not enter into any agreement involving the use, storage or conservation of Colorado River water outside this state without the director of water resources' express written approval.