California Code, Water Code - WAT § 26079

If any duty relating to the assessment, levy, and collection of assessments is performed subsequent to the latest time it should have been performed, the time within which all duties consequent upon the performance of the preceding duty are to be performed shall be extended to allow the elapsing of the intervals required to elapse between the performance of the duties, and assessments shall not become delinquent for at least 30 days after the first publication of notice that the assessments are due and payable.