Find information on key laws and resources for Texans with disabilities who qualify for tax exemptions. Fill Out the Form: On the W4S, specify the percentage of federal tax you want withheld from each sick payment.You can pay the IRS directly or withhold taxes from your payment. The Pay application helps you to accomplish all payroll related tasks and view pay information. You can view or edit your withholding elections. If you are receiving benefits, you may have federal income taxes withheld from your unemployment benefit payments. You can complete the W4S with your estimated adjusted gross income and any income tax withheld to date to determine if withholdings are recommended. An original prescription is acceptable proof if not providing a written statement or completing the Disability Statement below. In observance of the Christmas Holiday, Dallas County offices will be closed Tuesday, December 24, 2024 and Wednesday, December 25, 2024. Texas has no state income tax, which means your salary is only subject to federal income taxes if you live and work in Texas.