2026 nonresident tax treaty renewal

Old Union building and clock with snow on the ground and bushes

Each calendar year, eligible foreign national individuals must submit new tax treaty paperwork to renew benefits. Forms for 2026 must be submitted by January 5.

Optional-twelve month payment plan

campus in summer

Tenured, probationary tenure-track, and non-tenure track faculty, faculty associates, and administrative/professional (A/P) employees at Illinois State University with an appointment of nine months through less than 12 months can elect to have their salary distributed evenly over a 12-month period.

2025 tax nonresident treaty renewal

photo of the SW corner of the outsideof Milner Library with the College Avenue Bridge and trees in front

Each calendar year, eligible foreign national individuals must submit new tax treaty paperwork to the University to renew tax treaty benefits.