Form W-4v - Voluntary Tax Withholding Request
Why should you request voluntary tax withholding? You may find that having federal income tax withheld from the listed payments is more convenient than making quarterly estimated tax payments. However, if you have other income that isn’t subject to withholding, consider making estimated tax payments via online tax payments at the IRS site.
How much can you or should you withhold in Taxes?
For unemployment compensation, the payer is permitted to withhold 10% from each payment. No other percentage or amount is permitted. For any other government payment listed above, you may choose to have the payer withhold federal income tax of 7%, 10%, 12%, or 22% from each payment, but no other percentage or amount.