Agencies shall--
(a) Conduct market research to determine whether commercial items or nondevelopmental items are available that could meet the agency's requirements;
(b) Acquire commercial items or nondevelopmental items when they are available to meet the needs of the agency; and
(c) Require prime contractors and subcontractors at all tiers to incorporate, to the maximum extent practicable, commercial items or nondevelopmental items as components of items supplied to the agency.