D.C. Mun. Regs. tit. 14, r. 14-906
The provisions of this section shall apply to all housing businesses.
Heating and cooking appliances shall be installed and maintained in accordance with the fire prevention and protection requirements of the applicable D.C. laws and regulations.
The operator shall be responsible for the fire-safe installation and maintenance of all heating and cooking appliances furnished by the operator of the housing business.
If appliances are furnished by the tenant, the tenant shall be responsible for meeting the District's laws and regulations on fire protection and prevention.
Oil heaters shall be flue-connected and installed in accordance with the requirements of section F-308 of Article 3 of the Fire Prevention Code, BOCA Basic/National Fire Prevention Code/1984, 12 DCMR § F-308 (D.C. Supp. 1987).
Ashes shall not be placed in combustible receptacles, nor on or against combustible materials.
The operator shall maintain each incinerator, shaft, spark arrester, and hopper door in a fire-safe condition.
It shall be the duty of the operator to keep each gas meter room free from combustible material, and maintain the required ventilation for that room.
D.C. Mun. Regs. tit. 14, r. 14-906