D.C. Mun. Regs. tit. 27, r. 27-4110
The contractor's property control records shall constitute the District's official property records unless an exception has been authorized by the contracting officer.
The contractor shall establish and maintain adequate control records for all District property, including property provided to, and in the possession or control of, a subcontractor.
The property control records specified in §§ 4110 and 4111 of this chapter shall be the minimum required by the District. The contracting officer may impose additional requirements as appropriate.
Unless the contracting officer directs otherwise, if a subcontractor has an approved property control system for District property provided under its own prime contracts, the contractor shall use the records created and maintained under that system as the property control records for District property controlled by the subcontractor.
The contractor's property control system shall provide financial accounts for District property in the contractor's possession or control.
The property control system shall be subject to internal control standards and shall be supported by property records for all property.
The records shall be safeguarded from tampering or destruction.
The contractor shall make the property control records available to the contracting officer and to other authorized District personnel promptly after a request from the contracting officer or other authorized District personnel.
The contractor shall maintain separate property records for each contract. However, the contractor may maintain a consolidated property record if it provides the required information and is specifically authorized by the contracting officer.
The contractor's property control system shall contain a system or technique to locate any item of District property within a reasonable period of time.
D.C. Mun. Regs. tit. 27, r. 27-4110