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UNEMPLOYMENT INSURANCE TAX FORMS

Colorado employers frequently use the following forms. Most of the forms are available as Adobe Portable Document Format (PDF) files and require a one-time download of Adobe Reader to be viewed and printed. You can download Adobe Reader here. The forms not available online may be requested using the form at the bottom of this page.

Mail completed forms to:

Colorado Department of Labor and Employment
Unemployment Insurance Operations
P.O. Box 8789
Denver, CO 80201-8789

Colorado Business Registration

Click here to register your business online!

Download Form CR 0100, Colorado Business Registration and Form CR 0101, Instructions for the Colorado Business Registration

By registering your business online or completing and mailing the Colorado Business Registration, you are registering with both the Colorado Department of Labor and Employment’s Unemployment Insurance (UI) Program and the Colorado Department of Revenue.

Be sure to complete both sides/pages of the Colorado Business Registration.

If you need assistance with registering your business online or completing the Colorado Business Registration, call UI Operations at 303-318-9100 (Denver-metro area) or 1-800-480-8299 (outside Denver-metro area).

NOTE: Due to law changes effective January 1, 2006, if all or a portion of a business is acquired, the predecessor employer’s information must be completed as requested on the Colorado Business Registration and Form UITL-67, Business-Acquisition Questionnaire, which appears below.
 
Business-Acquisition Questionnaire

Download Form UITL-67, Business-Acquisition Questionnaire

Use this form to:

  • Notify UI Operations that you have acquired all or a portion of one or more businesses.
  • Identify other entities or businesses in which you have ownership or interest.
Notice to Workers (Poster)

Download Form 502, Notice to Workers

All employers are required by law to post this notice. See the Colorado Employment Security Act (CESA) 8-74-101(2) and the Regulations Concerning Employment Security 7.3.1 through 7.3.5.
 

Employer Change Request

Click here to notify UI Operations of an address change online!

Download Form UITL-2, Employer Change Request

Use this form to:

  • Notify UI Operations of terminations, sales, mergers, or incorporations of a business.
  • Change business names and/or addresses.
Power of Attorney

Download Form UITL-18, Power of Attorney

Use this form to notify the Colorado Department of Labor and Employment that you would like to add or discontinue a Power of Attorney on your unemployment insurance tax account.
 

Unemployment Insurance Tax Report

Click here to file your tax and/or wage report online!

Due to the nature of Form UITR-1, Unemployment Insurance Tax Report, this document cannot be made available on the Internet. Use the form below to order copies of the Unemployment Insurance Tax Report.

Use this form to:

  • Report the number of full- and part-time workers, quarterly gross wages paid, taxable wages, and excess wages for all Colorado employees.
  • Calculate the UI tax due for the quarter.

Be sure to send payment with the form. Make the check payable to Colorado State Treasurer.
 

Unemployment Insurance Report of Worker Wages (Continuation Sheet)

Click here to file your tax and/or wage report online!

Due to the nature of Form UITR-1a, Unemployment Insurance Report of Worker Wages, this document cannot be made available on the Internet. Use the form below to order copies of the Unemployment Insurance Report of Worker Wages.

Use this form to report your employees' social security numbers, names, and quarterly wages.

Submit this form with Form UITR-1, Unemployment Insurance Tax Report (above).
 

Specifications and Instructions for Submitting Quarterly Worker-Wage Data

If you have fewer than 80 employees, Internet wage reporting is recommended.  Please click on the following link to file on the Internet: https://secure.cdle.state.co.us/wagetax/.

If you have 80 or more employees, file transfer protocol (FTP) or diskette wage reporting is recommended.

Click here for information about submitting quarterly worker-wage data via FTP!

- or -

Mail a diskette to:

Colorado Department of Labor and Employment
UI Operations
P. O. Box 8789
Denver, Co 80201-8789

Please contact us if you have any questions:

Unemp.Wage@state.co.us

303-318-9018 (Denver-metro area)
1-800-480-8299 (outside Denver-metro area)

Mary Ellen: Ext. 83213
Terry: Ext. 83207
Debbie: Ext. 83200

Unemployment Insurance Tax Report Adjustment

Download Form UITR-3, Unemployment Insurance Tax Report Adjustment

Use this form to:

  • Make corrections to the previously reported number of full- and part-time employees, quarterly gross wages paid, taxable wages, and/or excess wages.
  • Submit additional payment due if necessary.
Multiple Quarter Adjustment of Worker Wages

Download Form UITR-6a, Multiple Quarter Adjustment of Worker Wages

Use this form to:

  • Report multiple quarters of individual employee's wages.
  • Correct previously reported individual employee's wages.
  • Transfer individual employee's wages from one UI tax account to another.
Social Security Number (SSN) Corrections

Download Form UITR-6c, Social Security Number (SSN) Corrections

Use this document to make corrections to individual employee social security numbers previously reported to the Colorado Department of Labor and Employment.
 

Request for Seasonal Determination

Download Form UITL-5, Request for Seasonal Determination

Use this form to request seasonal status for a business or occupation within a business.
 

Employee-Leasing Company Certification Packet

Download The Packet

Use these forms to request employee-leasing company certification

FORMS REQUEST FORM

* = required field

Company Name:
*Contact Name:  
*Address #1:
*Address #2:
*City:
*State:
*Zip Code:
*E-mail Address:

NOTE: You must enter a valid e-mail address. If it is not valid, your request cannot be processed.
Telephone number:

 

Form
 
Number
Requested
 
CR 0100
UITR-1
UITR-1a
UITR-3
UITL-2
UITR-6a
UITR-6c

Click Submit only once.
  

All Applicable Rights Reserved, Copyright 2004 Colorado Department of Labor and Employment