If the health-care resource required is a commercial service, the use of medical equipment or space, or research, and is to be acquired from an institution affiliated with the Department in accordance with
section 7302 of this title, including medical practice groups and other entities associated with affiliated institutions, blood banks, organ banks, or research centers, the Secretary may make arrangements for acquisition of the resource without regard to any law or regulation (including any Executive order, circular, or other administrative policy) that would otherwise require the use of competitive procedures for acquiring the resource.