Withholding Tax Forms and Instructions To ensure you are able to view and fill out forms, please save forms to your computer and use the latest. I want North Carolina income tax withheld from my monthly retirement benefit on the following basis.(You MUST complete Marital Status and Allowance below.). NC Retirement Systems can withhold only North Carolina income tax. We cannot withhold any other state's income tax from your monthly benefit. You may choose to have the Division of Employment Security (DES) withhold a portion of your benefits each week to meet your tax requirement. Important information that employers need to know about withholding income from their employees for child support payments. Your employer would be required to withhold Delaware taxes as long as you work in Delaware. Delaware Resident Working Out of State. Each time you pay wages, you must withhold—or take out of your employees' pay—certain amounts for federal income tax, social security tax, and Medicare tax.