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International Tax Office provides critical tax season resources

As we prepare for tax season, international faculty, researchers and students have specific needs, and the Employee Services’ International Tax Office has resources to help with those needs.

Why do new hires need to meet with an international tax specialist?

Specialists in the International Tax Office work with international employees to identify their U.S. tax residency status, facilitate any available tax treaty benefits and clarify their personal tax filing requirements. 

The tax office will also guide employees in how to correctly complete Form W-4 which helps calculate the amount of income tax CU needs to withhold from an employee’s pay. Because restrictions may apply to international employees, they should only complete this form after consulting with an international tax specialist. As with all new employees, until a valid W-4 has been submitted, international employees will be treated as a single filer with no withholding adjustments.

Appointment availability can be two to four weeks out on the calendar, so please direct your new international employees to schedule an appointment with the International Tax Office as soon as possible.  It is ideal for employees to complete their required consultation before they receive their first pay. However, delayed appointment availability will not affect their ability to begin working or negatively affect their pay.

Please note that international stipend recipients are also subject to special withholding rules and required to meet with the International Tax Office.

Departments: Please consult with the International Tax office before hiring any employee who will work from outside the U.S. Reach out at

How to prepare and what to expect

To prepare for their virtual appointment, employees should:

  • Be prepared to submit electronic copies of their passport, I-94 and immigration documents. A Social Security Number is not required for the appointment but if one has been issued it should also be brought to the appointment.
  • Plan to review their entire history of presence in the United States, including previous visits in different immigration statuses.

Glacier Tax Prep licenses now available

Nonresident alien F-1/J-1 students and J-1 scholars who had an active SEVIS record with CU in 2020 can request a free license for Glacier Tax Prep (GTP) software. New licenses for the upcoming tax season are now available to eligible employees and students and will be available while supplies last.

GTP helps nonresident alien taxpayers:

  • Determine U.S. tax residency status and tax return filing requirements.
  • Ensure applicable tax treaties are applied.
  • Determine whether you are due a tax refund or owe additional tax.
  • Prepare a federal tax return and Form 8843 that can be printed, reviewed, signed and mailed.

Learn more

For questions regarding international employees' employment eligibility, please contact your campus I-9 office.

For more information and to schedule an appointment, visit the Employee Services' international employee webpage.

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