D.C. Mun. Regs. tit. 18, r. 18-733
Each motor vehicle, except autocycles, motorcycles and motor-driven cycles, shall be equipped with bumpers in front, securely attached and extending beyond the extreme front of the vehicle.
Each motor vehicle of the passenger car class, taxicabs, buses, and light commercial vehicles up to and including one and one-quarter (1 1/4) ton capacity shall be equipped with a bumper on the rear of each vehicle securely attached to and extending beyond the extreme rear of the vehicle.
All motor vehicles operated in the District for the vending of ice cream, soft drinks or other confections, shall be equipped with bumpers front and rear so designed and installed as to prevent children from perching or riding on the bumper; or a grill or screen shall be added to the standard bumper. The equipment shall be of a type and design approved by the Director, and the grill or screen shall be installed in a manner prescribed by the Director.
No motor vehicle designed primarily to carry passengers shall be operated with fenders removed.
No motor vehicle shall be operated with fenders, running boards, or bumper bars or bracket showing sharp or ragged edges or in a condition that might snag or cause to be snagged any person, object, cloth, or clothes while being operated on the streets and highways.
No motor vehicle shall be operated on the streets and highways if fenders, running boards, bumper bars, or any body part shall extend beyond the original margin or width of the fender lines, except as provided in § 733.7.
On certain types of commercial vehicles, pipe or ladder racks of a type approved by the Director may be mounted on the top or on the left side of such vehicles. Racks mounted on the left side shall not extend more than six inches (6 in.) beyond the original fender line, and in no case shall the over-all width of the vehicle including such racks exceed ninety-six inches (96 in.).
D.C. Mun. Regs. tit. 18, r. 18-733