Form
W-4
Employee’s Withholding Allowance Certificate
Form W-9
Request for Taxpayer
Identification Number and Certification
Form
I-9
Employment Eligibility Verification
(>>> Information
on Form I-9 Compliance)
Colorado
Secretary of State
(>>> File
an annual report)
Colorado Department of Revenue

Colorado Department of Labor and Employment
Colorado Minimum Wage Facts Sheet (PDF)
Colorado Affirmation of Legal Work Status (PDF)