Alpha Index
C
- Certified Brands and Manufacturers Directory - Cigarette and Tobacco
- Charitable Organizations -- Quick Answers
- Cigarette and Tobacco Products Tax -- Instructions and Forms
- Cigarette Tax -- Quick Answers
- Cigarette Tax | Account / License
- Cigarette Tax | File
- Cigarette Tax | Refund
- Coal Severance Tax
- Colorado Revised Statutes
- Colorado State Holidays
- Conferee | Taxation Disputes
- Consumer Use Tax -- Quick Answers
- Contact Us
- Contact Us
- Corporate Income | Letter Rulings
- Corporation Income Tax -- Instructions and Forms
- Corporation Income Tax -- Prior Year Forms
- Corporation Income Tax -- Quick Answers
- Criminal Tax Investigations | Tax Evasion and Fraud Enforcement
E
F
- Fiduciary Income Tax -- Instructions and Forms
- Fiduciary Income Tax -- Prior Year Forms
- Fiduciary Income Tax -- Quick Answers
- File
- Forms By Tax Type
- Forms in Number Order
- Fuel Tax -- Instructions and Forms
- Fuel Tax -- Quick Answers
- Fuel Taxes | Account / License
- Fuel Taxes | File
- Fuel Taxes | Letter Rulings
- FYI - Excise Tax
- FYI - Publication Categories
- FYI Publications - General Information
- FYI Publications - Income Tax
- FYI Publications - Sales Tax
- FYI Publications - Withholding Tax
I
- Identity Theft
- Income Tax | Corporation -- File
- Income Tax | Credits
- Income Tax | Fiduciary -- File
- Income Tax | Individual -- File
- Income Tax | Individual -- Pay
- Income Tax | Partnership -- File
- Income Tax | Subtractions
- Individual Income Tax -- Instructions and Forms
- Individual Income Tax -- Prior Year Forms
- Individual Income Tax | Frequently Asked Questions
- Individual Income Tax | Letter Rulings
- Installment Agreements (Payment Plans)
- International Fuel Tax Agreement (IFTA) -- Instructions and Forms
- International Fuel Tax Agreement (IFTA) -- Quick Answers
- International Fuel Tax Agreement (IFTA) | Account / License
- International Fuel Tax Agreement (IFTA) | File
L
- Legal Research by Tax Type
- Letter Rulings
- Licensed Distributors | Cigarette & Tobacco Products
- Liquor Taxes -- Instructions and Forms
- Liquor Taxes -- Quick Answers
- Liquor Taxes | Account / License
- Liquor Taxes | File
- Local Government -- Information for Local Governments Entities Implementing a New Tax or Changed Tax Rate
- Local Government Information
- Local Sales/Use Tax by Address
- Locations - Service Centers
M
P
- Part-Year and Nonresident Quick Answers
- Partnership Income Tax -- Instructions and Forms
- Partnership Income Tax -- Prior Year Forms
- Partnership Income Tax -- Quick Answers
- Partnership Income Tax | Letter Rulings
- Pay
- Payments and Refunds
- Petition for Rule Change
- Property Tax/ Rent/ Heat Credit (PTC) Rebate | File
- Property Tax/ Rent/ Heat Credit (PTC) Rebate | Forms
- Property Tax/ Rent/ Heat Credit (PTC) Rebate | Refund
- Proposed Amendments to Sales Tax Rules
- Protest Rights
R
S
- Sales & Use Tax | Account / License
- Sales & Use Tax | Letter Rulings
- Sales & Use Tax | Pay
- Sales and Use Tax Rates Lookup
- Sales Tax - Spreadsheet Filing
- Sales Tax -- Deductions
- Sales Tax -- Exemptions
- Sales Tax -- Instructions and Forms
- Sales Tax -- Quick Answers
- Sales Tax Basics
- Sales Tax Changes
- Sales Tax Information for In-State Retailers
- Sales Tax Information for Out-of-State Retailers
- Sales Tax License Renewals
- Sales Tax Non-Filer Notices
- Sales Tax Rate Changes
- Sales Tax | File
- Scams - Warning to Taxpayers
- Severance Tax -- Instructions and Forms
- Severance Tax -- Prior Year Forms
- Severance Tax | Pay
- Software Developers | Income Tax
- Software Developers | Sales Tax XML
- Special Event Sales Tax
- State government offices in Denver metro area will open at 10 a.m. today, March 14, 2019
T
U
W
- W-2 and 1099 Statements
- Wage Withholding/ Payroll Tax -- Quick Answers
- Website Feedback
- What If I Don't Pay?
- Where is My Refund?
- Withholding/ Payroll Tax -- Instructions and Forms
- Withholding/ Payroll Tax | Account
- Withholding/ Payroll Tax | File
- Withholding/ Payroll Tax | Pay
- Withholding/ Payroll Tax | Refund
- Withholding/Payroll Tax | Letter Rulings
- Work Group Sign-Up