Here are some agency and other resources you can use to research payroll, tax, and business information in Colorado (CO). For other states, go to Payroll Resources.
| Information | Resource |
|---|---|
| Contact | |
| Agency Websites | |
| Small Business Information | |
| Forms |
Form CR 0100 (PDF) Form UITL 100 (PDF) Department of Revenue Wage Withholding Forms Department of Labor & Development Change of Address City Tax Forms: Aurora Occupational Privilege Tax Return (PDF) Denver Occupational Privilege Tax (Opt or Head Tax) |
| SUI Tax Rate Notice (Sample) |
Move your mouse over the image to see an example Colorado SUI rate notice, or click here to open in a separate window.
This is only an example — see your own notice for your specific rates. |
| New Hire Reporting | Colorado New Hire Reporting |
| Workers' Compensation | Colorado Workers' Compensation |
Payroll resources: Tools, supplies, websites
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