California Code, Education Code - EDC § 88164

(a) For an employee employed 11 months of a year, an amount equal to 8 1/3 percent thereof and the total amount deducted to be paid not later than the 10th day of September next succeeding.

(b) For an employee employed 10 months of a year, an amount equal to 16 2/3 percent thereof and the total amount deducted to be paid in two equal monthly installments not later than the 10th day of August and the 10th day of September next succeeding.

(c) For an employee employed nine months a year, an amount equal to 25 percent thereof and the total amount deducted to be paid in three equal monthly installments not later than the 10th day of July, the 10th day of August and the 10th day of September next succeeding.

If Section 85244is made applicable to any district, this section shall apply except that the amount deducted from each regular pay period and ultimate dates for payment of the amount deducted shall be computed and set in accordance with the system adopted under Section 85244.

Once an employee has elected to be brought under the provisions of this section, the election shall not be revocable until the commencement of the next ensuing fiscal year. However, if any employee leaves the service of the district by death or otherwise before receiving moneys that may be due him or her, the amount due the employee shall be paid within 30 days of the last working day to the employee or any other person entitled thereto by law.

This section shall apply to districts that have adopted the merit system in the same manner and effect as if it were a part of Article 3 (commencing with Section 88060).