California Code, Water Code - WAT § 1228.5

(a) Registration of a small domestic, small irrigation, or livestock stockpond use pursuant to this article shall be renewed prior to the expiration of each five-year period following completed registration.

(b) Registrations for which all annual fees have been timely paid and all annual reports have been timely submitted at the expiration of the five-year registration shall be renewed by operation of law.

(c) The conditions established by the board pursuant to Section 1228.6 that are in effect at the time of renewal of registration shall supersede the conditions that were applicable to the original completed registration.

(d) A registration for which fees or water use reports remain outstanding at the expiration of the five-year registration period shall be revoked by operation of law.