California Code, Water Code - WAT § 80826

(1) A requirement that the department annually notify the local publicly owned electric utility of the annual collections received by the department with respect to the revenue requirement and the amount of any excess or deficiency in collections above or below the revenue requirement.  The local publicly owned electric utility shall adjust charges in the subsequent year to reflect any such excess or deficiency.

(2) During any revenue requirement period, a requirement that, if the department forecasts that the revenue requirement for that period will not be met and that collections will not be sufficient to fund the revenue requirement established pursuant to Section 80842, the department notify the local publicly owned electric utility in writing and the local publicly owned electric utility shall act within 30 days of receiving that notice to increase the charge so that the amount collected during the period is sufficient to meet those obligations.