Due to issues caused by the Crowdstrike update, the Colorado Department of Revenue, Taxation Division is experiencing service disruptions. There currently is no timeline for when service levels are fully restored.

 
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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)
Employer Contributions to Home Savings Accounts - Income Tax Topics
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
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