Tax Season Update! Colorado will not be accepting business or individual tax returns until February 15, 2024.

Government Forms

Form W-4

Download Form W-4 from irs.gov

Form W-9

Download Form W-9 from irs.gov

Form I-9

Download Form I-9 from uscis.gov

Employee Insurance

Form 1

For employers who offer a health plan to some or all employees.

Download Form 1 from dol.gov

Form 2

For employers who do not offer a health plan.

Download Form 2 from dol.gov

Government Websites

Internal Revenue Service

Go to irs.gov

Small Business Administration

Go to sba.gov

U.S. Department of Labor

Go to dol.gov

Social Security Administration

Go to ssa.gov

Pay Federal Taxes

Go to irs.gov

State Resources

Colorado Department of Revenue

Go to colorado.gov

Colorado Secretary of State

Go to sos.state.co.us

Colorado Department of Labor & Employment

Go to colorado.gov

Quick Links

Refund Tracker

Use our refund tracker to quickly check the status of your refund.

State Department Sites

Get more state-specific tax information straight from your state government's website.