The IWO is the OMBapproved form (PDF) used for income withholding in tribal, intrastate, and interstate cases as well as all child support orders. Wage withholding lets you make your child support payments through your regular paycheck.This form is used to notify an employer to withhold wages from a noncustodial parent when they have past-due child support. View the form in English. The following forms can be printed and submitted to your county DRS. Read the descriptions to determine which forms are appropriate for your needs. The IWO is the income withholding order. This is an order sent to your husband's employer after your divorce is finalized and the child support is calculated. You can download the petition, complete it yourself, and file it at the Office of the Clerk of Family Court on the 11th floor. This document serves as a petition to terminate child support withholding.