Mail or place completed forms in the court dropbox located at the. Family Court at 3341 Power Inn Road, Sacramento, CA 95826.The IWO will list a specific amount of current child support to be withheld from the paying parent's wages each month. Read these instructions before completing this form. Print or type in dark ink. Call the LCSA at (866) 901-3212 to determine what your next step should be. You may also access our Wage Withholding webpage for further information. Form 587, the payee agrees to promptly notify the withholding agent of any changes in the facts. (DCSS 0001), or you can call the local child support agency. Instructs employers and federal agencies on how to process income withholding orders including examples of calculations.