California Code of Civil Procedure Section §706.025
(Gen. Provisions)
(a) Except as provided in subdivision (b), the amount required to be withheld pursuant to an earnings withholding order shall be paid monthly to the levying officer not later than the 15th day of each month. The initial monthly payment shall include all amounts required to be withheld from the earnings of the employee during the preceding calendar month up to the close of the employee's pay period ending closest to the last day of that month, and thereafter each monthly payment shall include amounts withheld from the employee's earnings for services rendered in the interim up to the close of the employee's pay period ending closest to the last day of the preceding calendar month.
(b) The employer may elect to pay the amounts withheld to the levying officer more frequently than monthly. If the employer so elects, payment of the amount withheld from the employee's earnings for each pay period shall be made not later than 10 days after the close of the pay period.
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