Subpart 5137.5 - Management Oversight of Service Contracts 5137.503 Agency-head responsibilities.5137.590-1 Definitions.5137.590-2 Applicability.5137.590-3 Review thresholds.5137.590-4 Review procedures.5137.590-5 Reserved.5137.590-6 Acquisition strategy content.5137.590-7 Data collection and reporting.Parent topic: Part 5137 - Service Contracting