Taxation

Roxy Huber, Executive Director

John Vecchiarelli, Senior Director

About Us.... About the Tax Group Mission Services.... Colorado e-file options My Income Tax Account Sales Tax Zero Filing Sales Tax License Verification Local Sales Tax Rates Retailers' Sales Tax Rates Trade Name Search Delinquent Taxpayer List Tax Index Tax Classes Online Customer Support Telephone Numbers Sections.... Tax Auditing and Compliance Tax Conferee Taxpayer Service

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Businesses Welcome to the Colorado Department of Revenue’s Tax Information Web page for Businesses. What's New Relief for Taxpayers Affected by 2008 Hurricanes Sales Tax Rate Changes Effective July 1, 2008 Federal Economic Stimulus Payment for Businesses Grace Period for Taxpayers Affected by Tornadoes Colorado Wage Withholding Tables (DR 1098) are still valid and will not be updated this year.  The rates published in the current DR 1098 tables, dated 12/12/06, are still valid for 2008.  The Colorado Department of Revenue will update its withholding tables for odd-numbered years.  The next update will be made just before 2009. If you use computer software that updates the federal deduction exemption information, the appropriate rates are included in the software.  Special Events Fill-in Forms Managed Audit Program -- For mid-sized businesses to conduct a self-audit with guidance from a Revenue auditor. Tax Due Dates Calendar Address Databases for Sales and Use Tax Rates -- A listing of companies that provide this service. E-Services for Business Colorado Corporation Income Tax eFile Electronic Payment (EFT) -- Now you can use this service online. Local Taxes by Address -- Find which sales/use taxes apply to a particular Colorado business address. Local Sales Tax Rates Sales Tax License Verification Sales Tax Account History -- Check your payments and payment dates.  You must know the specific amount of a payment to access the information. Retailers' Tax Rates by Account Number Sales Tax Rate Charts -- Help with determining rates on sales of 1 cent to $100. Sales Tax ZeroFile System -- Easy filing for retailers with no tax to report during a filing period. Retailer's Use Tax ZeroFile -- Easy filing for out-of-state retailers who have no tax to report during a filing period. Employer Annual Reconciliation Wage Withholding On-line Wage Withholding Tax ZeroFile System Business Taxes Starting a Business in Colorado Business Registration (CR 0100) Online Tutorial Retail Sales Tax Return (DR 0100) Online Tutorial Free Tax Classes Tax Class Content Online Contractor Information Local Governments: Information about implementing a new state-collected tax or tax increase BILLING NOTICE: I got a notice.  How do I prove I paid the tax? Corporation Income: Forms | FYIs Partnership Income:  Forms | FYIs Sales and Use: Forms | FYIs Wage Withholding: Forms | FYIs Fuel Tax and International Fuel Tax Agreement (IFTA): Forms | FYIs Cigarette and Tobacco Products: Forms | FYIs Liquor Excise: Forms | FYIs Severance: Forms | FYIs Forms by DOR Number Where to Mail Forms Additional Resources Tax Update Newsletter Free Tax Classes Interest and Penalty-Interest IRS Forms Other States' Tax Information and Forms (Federation of Tax Administrators Web site) For Frequently Asked Tax Questions and to Send E-mail to Us: See our Customer Support Site. last reviewed: September 23, 2008

Roxy Huber, Executive Director

John Vecchiarelli, Senior Director

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