D.C. Code § 32-1521 : LOCAL BUSINESS AFFAIRS — LABOR — WORKERS' COMPENSATION —1521 - Presumptions TEXT PDF In any proceeding for the enforcement of a claim for compensation under this chapter it shall be presumed, in the absence of evidence to the contrary: (1) That the claim comes within the provisions of this chapter; (2) That sufficient notice of such claim has been given; (3) That the injury was not occasioned solely by the intoxication of the injured employee; and (4) That the injury was not occasioned by the willful intention of the injured employee to injure or kill himself or another. D.C. Code § 32-1521 July 1, 1980, D.C. Law 3-77, § 22, 27 DCR 2503.