Additional Business Tax Resources Starting a Business in Colorado Secretary of State's Checklist for New Businesses Business Tax Forms & Instructions Sales & Use Tax FormsWithholding/Payroll Tax FormsAll Tax Forms - Forms Listed by Tax Type General Sales Tax Information Colorado Sales Tax GuideSales Tax Account & LicenseFiling & Remitting Sales TaxLook-Up Sales & Use Tax Rates In-Depth Sales Tax Information Special Event Sales TaxSales & Use Tax Guidance Publications Use Tax Information Consumer Use Tax General Information Use Tax Reporting Requirements Use Tax for Businesses Look-Up Sales & Use Tax Rates
