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.The IWO is the OMBapproved form (PDF) used for income withholding in tribal, intrastate, and interstate cases as well as all child support orders. Send payment within working days of the pay date. Downloadable forms for eFiling, Divorces, and Suites Affecting the Parent-Child Relationship, Child Support, Hail Claims, Legal, LegalEase, and Passports. Review the form with an attorney if possible. If you would like to have a Wage withholding Order mailed to an employer, send a written request to the District Clerk, P.O. Box 9570, Amarillo, Texas 79105. Attorneys should complete this form to expedite the process of child support payments to custodial parents when submitting court ordered payments. Need to set up an account with Tarrant County Child Support Services? Mail, fax or email the completed form to our office.