D.C. Mun. Regs. tit. 26, r. 26-A505
Any person may maintain the coverages required by the Act by obtaining a Certificate of Self Insurance from the Director of the Department of Public Works, in accordance with the Act and § 40 -478, of the D.C. Code, 1981 Edition, (as amended) and chapter 8 of DCMR, Title 18, in lieu of maintaining a policy of insurance issued by an insurer authorized to sell insurance in the District.
The District of Columbia, the United States, and the Washington Metropolitan Area Transit Authority may maintain the coverages required by the Act by obtaining from the Director of the Department of Public Works, a Certificate of Self Insurance. The certificate shall be issued upon receipt of a written statement by the applicant that the applicant is self insured for the payment of claims made under the Act.
D.C. Mun. Regs. tit. 26, r. 26-A505