| Organization | Web site address: |
| Colorado Department of Revenue | http://www.revenue.state.co.us/TPS_Dir /wrap.asp?incl=businesses |
Find all taxation forms and publications necessary in the state of Colorado. |
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| Colorado Department of Revenue | https://www.taxview.state.co.us/Query Taxrates.aspx?selected=1 |
Find the city and county tax rates for all areas in Colorado |
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| Internal Revenue Service | http: //www.irs.gov |
Find all of the forms you need to file your business taxes and to obtain employer ID numbers. Includes many helpful business IRS publications and booklets. |
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