Employee Services will close at 3:30 p.m. Friday, May 22, and we will be closed on Monday, May 25, in observance of Memorial Day. The department will reopen at 8 a.m. Tuesday, May 27.
Classified Staff Taxes
ES does not provide tax advice to employees. Please contact the IRS, SSA, State of Colorado, or local government directly for professional tax advice. See the following legal disclaimer related to use of these links:
Annual Tax Reminders
Please contact a payroll counselor at 303-860-4200, option 2, if you have any questions.
The list below includes the most commonly used Federal, state and local tax forms for employees. Employees in need of tax advice are encouraged to contact the IRS directly, or their tax accountant or legal advisor.
Employee Services does not employ personal tax advisors, and staff is not authorized to provide tax advice.
|All employees must fill out the W-4 Employee’s Withholding Allowance Certificate in order to work. Per IRS regulations, if an employee does not submit a valid W-4 upon initial employment, the employer (University of Colorado) must withhold federal taxes at the Single and Zero rate. The state of Colorado withholding rate will be the same as the federal rate.|
|W-2 Reissue Request Reissue Policy||The W-2 Reissue Request should be used if you have not received your W-2 tax information for filing purposes, or if you have lost it and need a replacement. See the W-2 Reissue Policy for additional information.|
|W-2 & Pay Advice Comparison||To further understand how the information on your pay advice is translated into W-2 data, see the W-2 Pay Advice Comparison.|
|W-9||The W-9 Request for Taxpayer Identification Number and Certification, is used to process payments to be received by a deceased employee’s beneficiary or estate.|
|Request for Exemption from the City and County of Denver Occupational Privilege Tax||The Request for Exemption from the City and County of Denver Occupational Privilege Tax form allows CU employees whose primary employer already withholds this tax to request exemption from this deduction. For additional information about this local tax, please visit the City and County of Denver website.|
|Request for Exemption from the City of Aurora Occupational Privilege Tax||The Request for Exemption from the City of Aurora Occupational Privilege Tax form allows CU employees whose primary employer already withholds this tax to request exemption from this deduction. For additional information about this local tax, please visit the City of Aurora occupational tax website.|
|Additional Federal/State Tax Withholding Request||Employees may request that additional federal and state taxes be withheld in whole flat dollar amounts by submitting the appropriate form to ES. This withholding is in addition to the withholding based upon your W-4.|
|Additional Federal/State Tax Withholding Cancelation||Employees may cancel their previously requested additional federal or state withholding by completing this form and submitting it to Employee Services.|
|Exemption from State of Colorado Withholding||The Exemption from State of Colorado Withholding form allows eligible employees to request exemption from state tax withholding. Eligibility is limited to those individuals whose university employment is in another state throughout the calendar year. To qualify for exemption no service may be performed within the State of Colorado, nor may you reside in the state of Colorado.|
|Request for Student Retirement (TIAA)/ Medicare Tax Refund||Before student enrollment census date, students withheld for student retirement in error can request a refund by completing this form. Fill it out as detailed as possible and present it to your department’s payroll liaison to complete and forward to Employee Services. For additional information, which includes the Student Retirement Fact Sheet and Student Retirement Plan Policy, please review the Employee Services Student Retirement Web page.|
To find due dates for forms and transactions see the Employee Payroll Due Date Schedule and/or Payroll Production Calendars.
Disclaimer: Neither Employee Services nor any of its employees make any warranty, expressed or implied, nor does either assume any legal liability for the accuracy, completeness or usefulness of any information linked to or from this site.
- Additional Tax Withholding
- Exemption from Denver Head Tax
- Exemption from Aurora Head Tax
- Exemption from state of Colorado Income Tax
- W-2 Reissue Request Form
- W-2 Reissue Policy
- Internal Revenue Service
- Social Security Administration
- W-4 Form
- W-4 Instructions
- Student Retirement/Medicare Tax Refund Request
- Tax Reference for International Visitors
- Social Security Administration Delays in Social Security Number Issuance to International Employees