Eilert R. and Sally S. BORG v. DEPARTMENT OF REVENUE TC 2410In the Oregon Tax Court. August 12, 1988. Taxation — Income taxes — Exemptions 1. 31 U.S.C. § 3124(a) specifically exempts federal obligations from state taxation. Taxation — Income taxes — Income from obligations of UnitedStates 2. Taxation is prohibited if federal obligations must […]