State and federal law require DCS issue a wage or income withholding notice when an employee's child support order contains withholding language. The Schedule bases your child support obligation on your net income.The Northwest Justice Project has a program called Washington Forms Online. It helps people fill out family law forms on a computer. Complete Step 5 - Sign and date your form. Select one withholding method of your choice: 1. The Oregon Child Support Program holds tax refund offsets from joint tax returns for six months.