such Secretary does not exceed 20 percent of the replacement cost of such facility, as mandated by Department of Defense Manual 4165.63, DoD Housing Management , or successor issuance. (b) Military unaccompanied housing defined In this section, the term military unaccompanied housing means the following housing owned by the United States Government: (1) Military housing intended to be occupied by members of the Armed Forces serving a tour of duty unaccompanied by dependents. (2) Transient housing intended to be occupied by members of the Armed Forces on temporary duty. 2823. Maintenance work order management process for military unaccompanied housing (a) In general Not later than 30 days after the date of the enactment of this Act, the Secretary of Defense shall prescribe regulations to establish for each military department a process associated with maintenance work order management for military unaccompanied housing under the jurisdiction of such military department, including such housing that is existing as of the date of the enactment of this Act and any such housing constructed or used on or after such date of enactment. (b) Use of process The processes required under subsection (a) shall clearly define requirements for effective and timely maintenance work order management, including requirements with respect to— (1) quality assurance for maintenance completed