Oregon Revised Statutes Water Resources: Irrigation, Drainage, Flood Control, Reclamation § 537.292

(1) Whenever the Water Resources Commission issues a certificate under ORS 537.250 granting a municipal corporation or district as defined in ORS 543.655 the right to appropriate water for the purpose of generating hydroelectric power, the commission shall impose the following conditions on the certificate, in addition to any other term, limitation or condition imposed under ORS 537.250:

(2) If the commission determines that an owner of a certificate no longer qualifies as a municipal applicant, the commission shall notify the owner of the certificate and any nonmunicipal entity developing or operating the project jointly with the owner that the parties have 90 days to amend their joint agreement in a manner that allows the parties to continue to qualify as a municipal corporation or district.