; (B) the consideration of proposals for and issuance of a task or delivery order for a covered system or a covered item of supply, as provided in section 2304c(d)(3) of this title, where the task or delivery order contract concerned includes a contract clause establishing a requirement relating to supply chain risk; or (C) any contract action involving a contract for a covered system or a covered item of supply where such contract includes a clause establishing requirements relating to supply chain risk. (4) Supply chain risk The term supply chain risk means the risk that an adversary may sabotage, maliciously introduce unwanted function, or otherwise subvert the design, integrity, manufacturing, production, distribution, installation, operation, or maintenance of a covered system so as to surveil, deny, disrupt, or otherwise degrade the function, use, or operation of such system. (5) Covered system The term covered system means a national security system, as that term is defined in section 3542(b) of title 44. (6) Covered item of supply The term covered item of supply means an item of information technology (as that term is defined in section 11101 of title 40) that is purchased for inclusion in a covered system, and the loss of integrity of which could result in a supply chain risk for a covered system. (7) Appropriate congressional committees The term appropriate congressional committees means— (A) in the case of a covered system included in the National Intelligence Program or the Military Intelligence Program, the Select Committee on Intelligence of the Senate, the Permanent Select Committee on Intelligence of the House of Representatives, and the congressional defense committees