Salt Lake City, Utah 84116. Child Support Contact Info.Complete this form to provide ORS with the information needed to open a child support services case. This form can also be completed online. For other case types you can use the Child Support Calculator or the fill-in-the-blank forms in the forms section 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. The Online Court Assistance Program is provided to assist court users who do not have an attorney to prepare court documents. Each new employee will need to fill out the I-9, Employment Eligibility Verification Form from U.S. Citizenship and Immigration Services. BartonWood's Salt Lake City child support attorneys explain Utah child support law, how to divide the children's healthcare costs, and more. Our child support attorneys answer these common child support FAQs to help you understand more about child support in Utah.