LAMB-WESTON, INC. v. DEPARTMENT OF REVENUE TC 2936In the Oregon Tax Court. November 8, 1990. Administrative law — Investigations — Subpoenas 1. ORS 305.190 grants subpoena powers to the Department of Revenue. Courts — Nature and source of judicial authority 2. Defendant’s subpoena powers are subject to court review under ORS 305.420(5). Pretrial procedure — […]