D.C. Code § 50-2204.52
(a) Unless the plaintiff's negligence is a proximate cause of the plaintiff's injury and greater than the aggregated total negligence of all the defendants that proximately caused the plaintiff's injury, the negligence of the following shall not bar the plaintiff's recovery in any civil action in which the plaintiff is one of the following:
(b) Nothing in this subchapter shall be construed to:
Nov. 26, 2016, D.C. Law 21-167, § 3
Mar. 16, 2021, D.C. Law 23-183, § 2(b)