This form is used to request the issuance of income withholding for support. Wage withholding lets you make your child support payments through your regular paycheck.Send payment within working days of the pay date. To obtain a copy of an existing withholding order, contact the records section of the District Clerk's Office at 214-653-6076. In Texas most child support is paid through payroll deductions using a form income withholding order. Learn more about the form order. The IWO is the OMBapproved form (PDF) used for income withholding in tribal, intrastate, and interstate cases as well as all child support orders. You will need to put your SSN, Cause Number, Case Number, and your First and Last Name in the email. In Texas, income withholding orders ensure timely and full payments of child and spousal support. But what exactly does this mean for you?