Section 543.730 - Failure to file statement or pay fees as evidence of abandonment of claim; cancellation of claim, permit and water right certificate(1) Failure of any claimant for a period of five successive years ending after August 20, 1957, to file the written statement showing the extent of the claim as required by ORS 543.720, or failure of any claimant for a period of five successive years ending after August 20, 1957, to pay the annual license fee as required by ORS 543.710, shall be conclusive evidence of the abandonment by the claimant of the claim and of all right to water for power purposes in connection with such claim.(2) When a claim is abandoned under the provisions of subsection (1) of this section, or whenever a claimant has voluntarily authorized, in writing, the cancellation of a claim or the water right in connection therewith, the Water Resources Commission shall: (a) Cancel the claim on the records of the Water Resources Department.(b) Cancel any permit to appropriate water or any water right certificate issued in connection with such claim. 1957 c.333 §3; 1979 c.67 §7; 1985 c.673 §164