; and (B) produces— (i) one or more critical components; (ii) critical technology; or (iii) one or more products for the increased security of supply chains or supply chain activities. (3) Regulations (A) In general Not later than 90 days after the date of the enactment of the Manufacturing, Investment, and Controls Review for Computer Hardware, Intellectual Property, and Supply Act of 2019 , the President shall prescribe regulations setting forth definitions for the terms supply chain and supply chain activities for the purposes of this subsection. (B) Scope of definitions The definitions required by subparagraph (A)— (i) shall encompass— (I) the organization, people, activities, information, and resources involved in the delivery and operation of a product or service used by the Government; or (II) critical infrastructure as defined in Presidential Policy Directive 21 (February 12, 2013; relating to critical infrastructure security and resilience); and (ii) may include variations for specific sectors or Government functions. .