Cal. Water Code § 1270

A defective application made in a bona fide attempt to conform to the rules and regulations of the board and to the law secures to the applicant a priority of right as of the date of the application until he or she is notified in what respect his application is defective, and the applicant shall be allowed 60 days after notice of the defect, or any additional period of time that the board agrees to, in which to file an amended and perfected application.