Here's everything you wanted to know (and more) about the state of North Carolina's taxes.
Withholding Requirements Register as an employer by filing Form NCUI 604 (Employer Status Report). Complete this form online or download here. Employee's Withholding Allowance Certificate - Form NC-4 and NC-4 EZ
Withholding Method = formula.
Supplemental Rate = If supplemental wages paid separately or specified when paid with regular wages and tax withheld from regular wages, withhold at 6% or add to regular wages, compute tax on total, and subtract tax withheld from regular wages.
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