The Bureau of International Narcotics and Law Enforcement Affairs (INL) seeks to procure spare parts for eight GCS-200 units, with delivery required within 180 days of a potential award. All parts must be obtained directly from the manufacturer, with no aftermarket parts accepted, and the vendor must demonstrate a valid letter of representation from GCS. Delivery is F.O.B. Destination, with consolidation in Stockach, Germany, and the contractor must comply with ITAR and ISPM 15 standards. The performance period will not exceed 180 days from award, and parts and service must be available in Ukraine for at least one year. This is a sources sought notice for market research only, not a solicitation.