Secretary of Homeland Security and the Secretary of Commerce, shall prioritize available funding and technical support to assist affected businesses, institutions, and organizations as is reasonably necessary for those affected entities to transition from covered distributed ledger technology and blockchain equipment or services, to acquire replacement equipment and services, and to ensure that communications service to users and customers is sustained. (c) Rule of construction Nothing in subsection (a) or (b) shall be construed to— (1) prohibit the head of an executive agency from acquiring from an entity, or entering into, extending, or renewing a contract or other agreement with an entity for, a service that connects to the facilities of a third party, such as blockchain protocols, or interconnection arrangements