SENATE Meets at noon. Committees: Finance -- 2 p.m. Open. International trade subc. To ban the reimportation of drugs into the U.S., to restrict the distribution of drug samples and to ban certain resales of drugs purchased by hospitals and other health-care facilities. 215 Dirksen Office Building. Judiciary -- 2 p.m. Open. Courts and administrative practice subc. Study on the future of the federal judiciary system. 226 DOB. HOUSE Meets at noon. Committees: Energy and Commerce -- 10:30 a.m. Open. Health and environ. subc. Hearing on recommendations from the Physician Payment Review Commission on Medicare payments for physicians' services. 2123 Rayburn House Office Buidling. Foreign Affairs -- 1:30 p.m. Open. Europe and Middle East subc. Hrng. on the problems confronting American businessmen in Saudi Arabia. 2172 RHOB. Foreign Affairs -- 2 p.m. Open. Arms control, intl. security and sci subc. Hrng. and mark-up to auth. legis. for FY88 and 89 for Arms Control and Disarmament Agency. 2200 RHOB. Government Operations -- 9:30 a.m. Open. Employ. and housing subc. Hrng. on the impact on workers of hostile takeovers, leveraged buyouts and restructuring. Labor Secretary William Brock. 2247 RHOB. Ways and Means -- 1 p.m. Open. Health subc. Hrng. on FY88 budget reconciliation issues related to physician payment under the Medicare program. B318 RHOB.