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 | Help
- Cigarette Tax | Legal Research
- Cigarette Tax | Pay
- Cigarette Tax | Refund
- Colorado Revised Statutes
- Colorado to require online retailers to collect sales tax
- Conferee -- Taxation Disputes
- Consumer Use Tax -- Quick Answers
- Contact Us
- Contact Us
- Corporate Income Tax Rulings
- Corporate Income Tax | Legal Research
- 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
- Fiduciary Income Tax | Legal Research
- File
- Filing Relief -- Natural Disasters
- Forms in Number Order
- Fuel Tax -- Instructions and Forms
- Fuel Tax -- Quick Answers
- Fuel Taxes | Account / License
- Fuel Taxes | File
- Fuel Taxes | Help
- Fuel Taxes | Legal Research
- Fuel Taxes | Pay
- Fuel Taxes | Refund
- FYI - Excise Tax
- FYI - Publication Categories
- FYI Publications - General Information
- FYI Publications - Income Tax
- FYI Publications - Sales Tax
- FYI Publications - Withholding Tax
I
- Income Tax -- Credits
- Income Tax -- Subtractions
- Income Tax Season | What you need to know
- Income Tax | Corporation -- Account
- Income Tax | Corporation -- File
- Income Tax | Corporation -- Help
- Income Tax | Corporation -- Pay
- Income Tax | Corporation -- Refund
- Income Tax | Fiduciary -- Account
- Income Tax | Fiduciary -- File
- Income Tax | Fiduciary -- Help
- Income Tax | Fiduciary -- Pay
- Income Tax | Fiduciary -- Refund
- Income Tax | Individual -- Account
- Income Tax | Individual -- File
- Income Tax | Individual -- Help
- Income Tax | Individual -- Pay
- Income Tax | Individual -- Refund
- Income Tax | Partnership -- Account
- Income Tax | Partnership -- File
- Income Tax | Partnership -- Help
- Income Tax | Partnership -- Pay
- Income Tax | Partnership -- Refund
- Individual Income Tax -- Instructions and Forms
- Individual Income Tax -- Prior Year Forms
- Individual Income Tax -- Quick Answers-General Filing
- Individual Income Tax | Legal Research
- Installment Agreements (Payment Plans)
- Instructions and Forms -- All Tax Types
- International Fuel Tax Agreement (IFTA) -- Colorado Newsletters
- 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
- International Fuel Tax Agreement (IFTA) | Help
- International Fuel Tax Agreement (IFTA) | Legal Research
- International Fuel Tax Agreement (IFTA) | Pay
- International Fuel Tax Agreement (IFTA) | Refund
L
- Legal Research
- Letter Rulings
- Licensed Distributors -- Cigarette and Tobacco
- Liquor Taxes -- Instructions and Forms
- Liquor Taxes -- Quick Answers
- Liquor Taxes | Account / License
- Liquor Taxes | File
- Liquor Taxes | Help
- Liquor Taxes | Legal Research
- Liquor Taxes | Pay
- Liquor Taxes | Refund
- Local Government -- Information for Local Governments Entities Implementing a New Tax or Changed Tax Rate
- Local Government Information
- Local Sales/Use Tax by Address -- "Hold Harmless" Tax Rates Services
- Locations - Service Centers
M
- Mail a Form
- Manage My Tax Account
- Marijuana Taxes - Help
- Marijuana Taxes | Account / License
- Marijuana Taxes | File
- Marijuana Taxes | Instructions and Forms
- Marijuana Taxes | Legal Research
- Marijuana Taxes | Pay
- Marijuana Taxes | Quick Answers
- Marijuana Taxes | Refund
- Master Settlement Agreement (MSA) Reporting Requirements
- Media Center - Taxation
- Military Service Members -- Special Filing Information
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 | Legal Research
- Pay
- Payments and Refunds
- Petition for Rule Change
- Prepaid Wireless Surcharge - Instructions and Forms
- Property Tax/ Rent/ Heat Credit (PTC) Rebate | File
- Property Tax/ Rent/ Heat Credit (PTC) Rebate | Forms
- Property Tax/ Rent/ Heat Credit (PTC) Rebate | Legal Research
- Property Tax/ Rent/ Heat Credit (PTC) Rebate | Refund
- Property Tax/Rent/Heat Credit (PTC) Rebate | Help
- Protest Rights
R
S
- Sales and Use Tax Rates Lookup
- Sales and Use Tax Rulings | Discounts and Credits
- Sales and Use Tax Rulings | Exemptions
- Sales and Use Tax Rulings | Local Taxes
- Sales and Use Tax Rulings | Nexus
- Sales and Use Tax Rulings | Procedures
- Sales and Use Tax Rulings | Property and Services
- Sales and Use Tax Rulings | Refunds
- Sales Tax -- Deductions
- Sales Tax -- Exemptions
- Sales Tax -- Instructions and Forms
- Sales Tax -- Quick Answers
- Sales Tax -- Spreadsheet Filing
- 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 Rates
- Sales Tax | Account / License
- Sales Tax | File
- Sales Tax | Help
- Sales Tax | Legal Research
- Sales Tax | Pay
- Sales Tax | Refund
- Scams - Warning to Taxpayers
- Severance Tax -- Instructions and Forms
- Severance Tax -- Prior Year Forms
- Severance Tax | File
- Severance Tax | Help
- Severance Tax | Legal Research
- Severance Tax | Pay
- Severance Tax | Refund
- 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
- Tax Regulations
- Taxation Press Releases
- Taxpayer Identity Verification
- Taxpayer Security Awareness and Reporting Identity Theft
- Timely Topics
- Tips for Income Tax Filing Season
- Tobacco Tax -- Quick Answers
- Tobacco Tax | Account / License
- Tobacco Tax | File
- Tobacco Tax | Help
- Tobacco Tax | Legal Research
- Tobacco Tax | Pay
- Tobacco Tax | Refund
U
- Use Tax -- Colorado Businesses
- Use Tax -- Help
- Use Tax -- Information for Consumers
- Use Tax -- Information for Non-Collecting Retailers
- Use Tax -- Instructions and Forms
- Use Tax Notice and Reporting Requirements
- Use Tax | Account
- Use Tax | File
- Use Tax | Legal Research
- Use Tax | Pay
- Use Tax | Refund
W
- W-2 and 1099 Statements
- Wage Withholding/ Payroll Tax -- Quick Answers
- Website Feedback
- Withholding/ Payroll Tax -- Instructions and Forms
- Withholding/ Payroll Tax | Account
- Withholding/ Payroll Tax | File
- Withholding/ Payroll Tax | Help
- Withholding/ Payroll Tax | Pay
- Withholding/ Payroll Tax | Refund
- Withholding/Payroll Tax | Legal Research
- Work Group Sign-Up