Get ready for tax season: What international employees and students need to know

January 20, 2026 by ES and UIS Communications
The International Tax Office partners with Sprintax, using Sprintax Calculus and Sprintax Returns to support international employees and students in their personal tax filing obligations.
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International employees and students: Verify your records and complete tasks before year-end

October 27, 2025 by ES and UIS Communications
As tax season approaches, international employees and students should verify their Sprintax Calculus profiles for accuracy. Reviewing and updating records now will help ensure compliance with 2025 tax reporting requirements.
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Streamline tax compliance for international guests before summer conferences

May 14, 2025 by
Contact the International Tax Office prior to their arrival to ensure tax compliance.
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What international employees and students can expect this tax season

January 29, 2025 by ES and UIS Communications
The University of Colorado International Tax Office partners with Sprintax to support nonresident alien employees and students in their personal tax filing obligations.
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International employees and students should make sure their records are accurate before year-end

October 22, 2024 by ES and UIS Communications
The International Tax Office is reviewing records in preparation for year-end and may reach out to international employees and students for an update. Here’s what you need to know about the process and what international employees may be asked to do.
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Remind new international employees and students to complete their Sprintax Calculus profile

August 27, 2024 by ES and UIS Communications
Sprintax Calculus streamlines the information and document exchange process with the International Tax Office. New international employees and students will be sent an invitation to complete a profile – please remind them to fulfill this requirement.
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Sprintax Calculus to debut on Aug. 1

July 25, 2024 by ES and UIS Communications
The International Tax Office will debut the streamlined online platform Sprintax Calculus to gather international tax information on Aug. 1. Please share details with your international employees and students.
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International tax appointments ending July 24 to prepare for new online platform launch in fall 2024

June 24, 2024 by ES and UIS Communications
In preparation for an August 1st rollout, international tax appointments will end starting July 24, 2024.
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