Child Support Forms ; 4-8c. Before you begin to calculate withholding for your employee or independent contractor, be sure to choose the total amount that matches your pay cycle.Pay your child support online and make sure your child is getting financial support from both parents. Please fill out the form below. The IWO is the OMBapproved form (PDF) used for income withholding in tribal, intrastate, and interstate cases as well as all child support orders. Follow the prompts to speak to a child support representative in the Orange County office. This document is used when there is a court order for an earnings assignment or withholding order, to garnish the wages of the person required to pay support. To submit a form via email, users must first download the form to their device and then click "submit" on the completed form. Accessibility. These forms allow parents, families, and employers to provide the Child Support Division with additional information so we can better serve you.