D.C. Mun. Regs. tit. 6, r. 6-B1274
The Mayor may, whenever he or she deems it to be appropriate and in the public interest, authorize the shut-down of all non-essential District government operations prior to the commencement of normal duty hours.
Agency heads and other personnel authorities may authorize the shut-down of one or more of their facilities due to a breakdown of heating or air conditioning equipment or other similar situations, and shall ensure that all affected employees are promptly notified.
Except as provided in Subsections 1274.4 and 1274.5 of this section, employees shall be given administrative leave for the entire day of shut-down.
Each essential employee subject to the provisions of Section 1271 of this chapter shall still be required to report for duty even upon the occurrence of conditions beyond the control of an employee, such as inclement or hazardous weather or a transportation disruption.
Each emergency employee subject to the provisions of Section 1271 of this chapter shall be required to report for duty or telework, if activated, even upon the occurrence of conditions beyond the control of an employee, such as inclement or hazardous weather or transportation disruption.
D.C. Mun. Regs. tit. 6, r. 6-B1274