CA Fam Code Section 4631

(a)

An obligor-parent may file a motion to stop the use of the money or the sale of the asset under this article within 15 days after service of notice on the obligor-parent pursuant to Section 4630.

(b)

The clerk of the court shall set the motion for hearing not less than 20 days after service of the notice of motion and the motion on the person or county officer to whom support has been ordered to have been paid.