85-2-351. Notice to permitholders -- Clark Fork River basin. The department shall provide a written notice to each person that receives a provisional water use permit to appropriate water within the Clark Fork River basin. The written notice must state: "This provisional water use permit has a priority date that is junior to the rights of senior water right holders in the Clark Fork River Basin. In accordance with Montana law, you may be subject to a call by senior water right holders, in which case you may be required to discontinue your use of water for the period of the call."