Federal taxes and state taxes are handled in two systems: Federal Return 1. 1040NR 2. 8843 Tool: Glacier Tax Prep or Sprintax State Return 1. 1040NR 2. 8843 (if you have a spouse or children) Tool: Sprintax fills in in accordance with Glacier Tax Prep, Sprintax step by step, and the form will be automatically generated.