CFR > Title 41 - Public Contracts and Property Management > SUBTITLE C—Federal Property Management Regulations System > CHAPTER 109—DEPARTMENT OF ENERGY PROPERTY MANAGEMENT REGULATIONS (parts 109-1 to 109-50) > SUBCHAPTER E—SUPPLY AND PROCUREMENT (parts 109-25 to 109-30) > PART 109-27—INVENTORY MANAGEMENT > SUBPART 109-27.1—Stock Replenishment (§109-27.102 to §109-27.102-52) > 109-27.102-50—Systems contracting.