The North Carolina 4% withholding tax is a tax that is levied on:
An Individual Taxpayer Identification Number (ITIN) holder who performs services in North Carolina (NC) for compensation other than wages.
Any entity that fails to provide a valid taxpayer identification number (TIN). Under Additional Information: Withholding for Services Performed in N.C. by an Individual or Entity that Fails to Provide a Taxpayer Identification Number
Additional information