In order to allow for the recording of historic uses of the waters of this state, any person using or claiming rights to the use of water for uses other than domestic purposes, which have heretofore been established by diversion and application to a beneficial use shall file a claim of such right with the department of water resources not later than June 30, 1983, or if mailed, shall be postmarked not later than June 30, 1983. Such claim shall be in affidavit form on forms furnished by the department of water resources and shall set forth:
Such claim may be accompanied by maps showing the place of use, affidavits of witnesses familiar with the uses claimed, measurements of the water diverted and used, and such other information as the claimant may wish to submit.
If the claim is filed with the department of water resources later than June 30, 1983, or if it is mailed to the department of water resources and the postmark is later than June 30, 1983, the claim shall be classified as follows:
This section shall not apply to any water rights which are based on the authority of a 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.
Idaho Code § 42-243