Use this worksheet when one parent (or a third party) has primary physical custody of all of the children for whom support is being determined. Use this worksheet when (a) Parents share custody of all the children for whom support is being determined, or (b) when one parent has primary physical custody.Employers paying cash under the table do not fill out quarterly or annual tax forms. And, they do not record employee wages on Forms W-2. Instructs employers and federal agencies on how to process income withholding orders including examples of calculations. The North Carolina Child Support Worksheet is a comprehensive form that uses a formula-based approach to calculate child support. Workrelated childcare does not have to be included in the child support worksheet. The child support worksheet in North Carolina is a standardized form used to calculate the amount of child support a non-custodial parent is obligated to pay. Here in North Carolina, wage garnishment is a common way to collect child support. STATE OF NORTH CAROLINA. County.