; and (B) by redesignating paragraphs (5), (6), (7), and (8) as paragraphs (2), (3), (4), and (5), respectively. (b) Replacement Subsection (c) of such section is amended by striking and payment and all that follows and inserting and without cost. . E Commissary and Non-Appropriated Fund Instrumentality Benefits and Operations 641. Defense resale system matters (a) In general The Under Secretary of Defense for Personnel and Readiness shall, in coordination with the Chief Management Officer of the Department of Defense, maintain oversight of business transformation efforts of the defense commissary system and the exchange store system in order to ensure the following: (1) Development of an intercomponent business strategy that maximizes efficiencies and results in a viable defense resale system in the future. (2) Preservation of patron savings and satisfaction from and in the defense commissary system and exchange stores system. (3) Sustainment of financial support of the defense commissary and exchange systems for morale, welfare, and recreation (MWR) services of the Armed Forces. (b) Executive Resale Board advice on operations of systems The Executive Resale Board of the Department of Defense shall advise the Under Secretary on the implementation of sustainable, complementary operations of the defense commissary system and the exchange stores system. (c) Practices and services (1) In general The Secretary of Defense shall, acting through the Under Secretary and with advice from the Executive Resale Board, require the Defense Commissary Agency and the Military Exchange Service to identify and implement practices and services described in paragraph (2) across the defense resale system. (2) Practices and services Practices and services described in this paragraph shall include the following: (A) Best commercial business practices. (B) Shared-services systems that increase efficiencies across the defense resale system, including in transportation of goods, application-based marketing initiatives and other mobile