The Department of Revenue is processing 2023 income tax returns. For more information, please read the Department's announcement.

 
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Individual Income Tax Guidance Publications

Other Current Publications

529 Contribution Subtraction - Income Tax Topics
529 Employer Contribution Credit - Income Tax Topics
ABLE Contribution Subtraction - Income Tax Topics
Additions to Taxable Income - Individual Income Tax Guide
Alternative Minimum Tax - FYI Income 14
Alternative Transportation Options Credit - Income Tax Topics
Assessments for Individual Income Tax - Individual Income Tax Guide
Calculating Colorado Individual Income Tax - Individual Income Tax Guide
Capital Gain Subtraction - Income Tax Topics
Catastrophic Health Insurance - FYI Income 30
Charitable Contributions - Income Tax Topics (replaced FYI Income 48)

Child Care Contribution Credit - FYI Income 35

Child Care Credits - Income Tax Topics (replaced FYI Income 33)
Colorado Works Program Credit - FYI Income 34
Conservation Easement Credit - Income Tax Topics
Contaminated Land Redevelopment Credit - FYI Income 42
Credit for Tax Paid to Another State - Income Tax Topics
Early Childhood Educator Credit - Income Tax Topics
Earned Income Tax Credit - Income Tax Topics (replaced FYI Income 27)
Enterprise Zone Contribution Credit - Income Tax Topics
Estimated Tax Payments - Individual Income Tax Guide
Filing and Recordkeeping for Individuals - Individual Income Tax Guide
First Time Home Buyer Savings Account Subtraction - Income Tax Topics
Gross Conservation Easement Credit - FYI Income 39
Historic Property Preservation Income Tax Credit - FYI Income 1 (additional information can be found on the Income Tax Credits web page)
Income-Qualified Senior Housing Tax Credit - Income Tax Topics
Income Tax Credits - Individual Income Tax Guide
Income Tax Withholding - Individual Income Tax Guide
Individual Partner and Shareholder Instructions For 2022 Colorado K-1 (DR 0106K)
Individual Partner and Shareholder Instructions For 2023 Colorado K-1 (DR 0106K)
Innovative Motor Vehicle Credit - Income Tax Topics
Innovative Truck Credit - Income Tax Topics
Innovative Truck Credits for CNG, LNG, and LPG Trucks and Certain Technologies - FYI Income 70
Investment Credits for Licensed Child Care Centers, Family Care Homes and Employers Providing Licensed Child Care Facilities - FYI Income 7
Long-Term Care Insurance Credit - FYI Income 37
Medical Savings Accounts - FYI Income 29
Military Servicemembers - Income Tax Topics
Nonresident Partners and Shareholders of Partnerships and S Corporations - FYI Income 54 (under review)
Nonresident Real Estate Transactions - Required Withholding - FYI Income 5
Part-Year Residents & Nonresidents - Income Tax Topics
Penalties and Interest - General 11
Refunds of Individual Income Tax - Individual Income Tax Guide
Residency in Colorado - Individual Income Tax Guide
SALT Parity Act - Income Tax Topics
School-to-Career Investment Credit - FYI Income 32
Social Security, Pensions, and Annuities - Income Tax Topic
State Income Tax Addback - Income Tax Topics
State Sales Tax Refund Credit - Income Tax Topics
Subtractions from Taxable Income - Individual Income Tax Guide
United States Government Interest - FYI Income 20
Wildfire Mitigation Measures - Income Tax Topics

FYI Income 16Please see Income Tax Topics: Social Security Pensions and Annuities
FYI Income 17Income Tax Topics: Credit for Tax Paid to Another State 
FYI Income 25Please see Income Tax Topics: Social Security Pensions and Annuities
FYI Income 27Income Tax Topics: Earned Income Tax Credit
FYI Income 33Please see Income Tax Topics: Child Care Credits
FYI Income 44Income Tax Topics: 529 Contribution Subtraction
FYI Income 65Please see Income Tax Topics: Wildfire Mitigation Measures
FYI Income 67Please see Income Tax Topics: Innovative Motor Vehicle Credit
FYI Income 68Please see FYI Income 70
FYI Income 69Please see Income Tax Topics: Innovative Motor Vehicle Credit