D.C. Mun. Regs. tit. 24, § 1700
1700.1 Each owner of a commercial or residential building or property in the District shall remove snow and ice from any paved sidewalks, curb cuts, and curb ramps abutting the building or property within eight (8) hours of daylight after the snow or other precipitation has ceased falling, regardless of the source of the accumulation.
1700.2 The owner may delegate this responsibility to a tenant, occupant, lessee, or other individual (referred to in this chapter as a “delegee”) by written agreement.
SOURCE: Final Rulemaking published at 62 DCR 15134 (November 20, 2015).