; or (B) if provided financial assistance by the Federal Government, will conduct in the United States the research and development, engineering, or production activities necessary or incidental to manufacturing. (4) Federal agency The term Federal agency has the meaning given the term agency in section 551 of title 5, United States Code. (5) Office The term Office means the Supply Chain Resiliency and Crisis Response Office established under subsection (a). (6) Small business concern The term small business concern has the meaning given that term in section 3(a) of the Small Business Act ( 15 U.S.C. 632(a) ). (7) Supply chain The term supply chain means a supply chain for a critical good or service. (8) Under Secretary The term Under Secretary means the Under Secretary of the Office of Supply Chain Resiliency and Crisis Response appointed pursuant to subsection (c).