Idaho Code § 42-242
Whenever used in this act, the terms:
WATER RIGHTS NOTICE
Every person, including but not limited to an individual, partnership, association, public or private corporation, city or other municipality, county, state agency or the state of Idaho, and the United States of America, when claiming water rights established under the laws of the state of Idaho, is hereby notified that all water rights or claimed water rights relating to the withdrawal or diversion of public surface or ground waters of the state for uses other than domestic purposes, except those water rights based upon authority of permit or license issued by the department of water resources or one of its predecessors or water rights which have previously been adjudicated by a court having jurisdiction of such matters, must be registered with the department of water resources, Boise, Idaho, not later than June 30, 1983. FAILURE TO REGISTER AS REQUIRED BY LAW WILL BE GROUNDS FOR INSTITUTING AN ACTION FOR FORFEITURE OF THE CLAIMED WATER RIGHT. For further information contact the Department of Water Resources, Boise, Idaho, for a copy of the act and an explanation thereof.
Idaho Code § 42-242