ORS 542.610
The Klamath River Basin Compact became effective on September 11, 1957. The compact was ratified by the State of Oregon by chapter 142, Oregon Laws 1957 (signed by Governor on April 17, 1957). The compact was ratified by the State of California by chapter 113, California Statutes 1957 (signed by Governor on April 17, 1957, and effective on September 11, 1957). The Congress of the United States consented to the compact by Public Law 85-222, 85th Congress (signed by President on August 30, 1957).