D.C. Mun. Regs. tit. 19, § 701
701.1 Any accident to an individual at or adjacent to a recreation unit shall be reported on the prescribed form to the central office.
701.2 In case of serious injury, such as a broken limb or an accident rendering a person unconscious, the family shall be notified by a reliable messenger and by the recreation office by telephone.
701.3 If an injured person must be moved to a hospital, the case shall be referred to the Police and to the D.C. Emergency Ambulance Service.
SOURCE: 15 DCRR § 1.4 (August 10, 1970 and December 23, 1970).