W-4 (Employee’s Withholding Allowance Certificate-Federal)
W-9 (Request for Taxpayer Identification Number and Certification)
NC-4 (Employee’s Withholding Allowance Certificate-NC)
VA-4 (Employee’s Withholding Allowance Certificate-VA)
I-9 (Employment Eligibility Verification)
Publication 15 (Circular E, Employer’s Tax Guide)
NC-30 (Income Tax Withholding Tables & Instructions for Employers)