California Code of Civil Procedure Section §706.105
(Procedures for Earnings Withholding and Exemptions Claims)
(a) A judgment debtor may claim an exemption under Section 706.051 under either of the following circumstances:
(1) No prior hearing has been held with respect to the earnings withholding order.
(2) There has been a material change in circumstances since the time of the last prior hearing on the earnings withholding order.
(b) A claim of exemption shall be made by filing with the levying officer an original and one copy of (1) the judgment debtor's claim of exemption and (2) the judgment debtor's financial statement.
(c) Upon filing of the claim of exemption, the levying officer shall promptly send to the judgment creditor, at the address stated in the application for the earnings withholding order, by first-class mail, postage prepaid, all of the following:
(1) A copy of the claim of exemption.
(2) A copy of the financial statement.
(3) A notice of claim of exemption. The notice shall state that the claim of exemption has been filed and that the earnings withholding order will be terminated, or modified to reflect the amount of earnings claimed to be exempt in the claim of exemption, unless a notice of opposition to the claim of exemption is filed with the levying officer by the judgment creditor within 10 days after the date of the mailing of the notice of claim of exemption.
(d) A judgment creditor who desires to contest a claim of exemption shall, within 10 days after the date of the mailing of the notice of claim of exemption, file with the levying officer a notice of opposition to the claim of exemption.
(e) If a notice of opposition to the claim of exemption is filed with the levying officer within the 10-day period, the judgment creditor is entitled to a hearing on the claim of exemption. If the judgment creditor desires a hearing on the claim of exemption, the judgment creditor shall file a notice of motion for an order determining the claim of exemption with the court within 10 days after the date the levying officer mailed the notice of claim of exemption. If the notice of motion is so filed, the hearing on the motion shall be held not later than 30 days from the date the notice of motion was filed unless continued by the court for good cause. At the time prescribed by subdivision (b) of Section 1005, the judgment creditor shall give written notice of the hearing to the levying officer and shall serve a notice of the hearing and a copy of the notice of opposition to the claim of exemption on the judgment debtor and, if the claim of exemption so requested, on the attorney for the judgment debtor. Service is deemed made when the notice of the hearing and a copy of the notice of opposition to the claim of exemption are deposited in the mail, postage prepaid, addressed to the judgment debtor at the address stated in the claim of exemption and, if service on the attorney for the judgment debtor was requested in the claim of exemption, to the attorney at the address stated in the claim of exemption. The judgment creditor shall file proof of the service with the court. After receiving the notice of the hearing and before the date set for the hearing, the levying officer shall file the claim of exemption and the notice of opposition to the claim of exemption with the court.
(f) If the levying officer does not receive a notice of opposition to the claim of exemption within the 10-day period after the date of mailing of the notice of claim of exemption and a notice of the hearing not later than 10 days after the filing of the notice of opposition to the claim of exemption, the levying officer shall serve on the employer one of the following:
(1) A notice that the earnings withholding order has been terminated if all of the judgment debtor's earnings were claimed to be exempt.
(2) A modified earnings withholding order that reflects the amount of earnings claimed to be exempt in the claim of exemption if only a portion of the judgment debtor's earnings was claimed to be exempt.
(g) If, after hearing, the court orders that the earnings withholding order be modified or terminated, the clerk shall promptly transmit a certified copy of the order to the levying officer who shall promptly serve on the employer of the judgment debtor (1) a copy of the modified earnings withholding order or (2) a notice that the earnings withholding order has been terminated. The court may order that the earnings withholding order be terminated as of a date that precedes the date of hearing. If the court determines that any amount withheld pursuant to the earnings withholding order shall be paid to the judgment debtor, the court shall make an order directing the person who holds that amount to pay it promptly to the judgment debtor.
(h) If the earnings withholding order is terminated by the court, unless the court otherwise orders or unless there is a material change of circumstances since the time of the last prior hearing on the earnings withholding order, the judgment creditor may not apply for another earnings withholding order directed to the same employer with respect to the same judgment debtor for a period of 100 days following the date of service of the earnings withholding order or 60 days after the date of the termination of the order, whichever is later.
(i) If an employer has withheld and paid over amounts pursuant to an earnings withholding order after the date of termination of the order but prior to the receipt of notice of its termination, the judgment debtor may recover those amounts only from the levying officer if the levying officer still holds those amounts or, if those amounts have been paid over to the judgment creditor, from the judgment creditor. If the employer has withheld amounts pursuant to an earnings withholding order after termination of the order but has not paid over those amounts to the levying officer, the employer shall promptly pay those amounts to the judgment debtor.
(j) An appeal lies from any court order under this section denying a claim of exemption or modifying or terminating an earnings withholding order. An appeal by the judgment creditor from an order modifying or terminating the earnings withholding order does not stay the order from which the appeal is taken. Notwithstanding the appeal, until the order modifying or terminating the earnings withholding order is set aside or modified, the order allowing the claim of exemption in whole or in part shall be given the same effect as if the appeal had not been taken.
(k) This section does not apply to a withholding order for support or a withholding order for taxes.
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