International Tax Guide: Nonresident Alien (NRA) for U.S. Tax Purposes

Purpose

This guide is for all CU international employees, which includes faculty, researchers and student employees, who are classified for U.S. tax purposes as nonresident aliens for the current (or any given) tax year.

It outlines important reminders regarding tax information, step-by-step guidance for income tax return filing and links to vital resources.

Last updated: 7/2025

Download this guide below.