D.C. Mun. Regs. tit. 19, r. 19-1032
No vessel without a power unit permanently installed within its hull shall dispense gasoline, fuel oil, or any other flammable oils or petroleum products in District of Columbia waters without a special permit issued by the District of Columbia.
Nothing contained in this section shall apply to an oil company licensed to do business in the District of Columbia that is transferring gasoline, fuel oil, or other flammable oils or petroleum products to a public utility or government agency.
No gasoline or other similar volatile liquid shall be kept for sale on board any vessel in District of Columbia waters without a permit or license issued by the Fire Chief.
Prior to issuing a permit or license under § 1032.3, the Fire Chief shall require an applicant to furnish a valid certificate of inspection issued by the Coast Guard as evidence that the vessel is suitable for its intended use.
All rules and regulations promulgated by the Coast Guard relating to tank vessels shall be observed.
While tied to any wharf or pier within the District of Columbia, no fuel vessel that has gasoline or oils aboard for sale shall dispense gasoline or oils for use in any motor vehicle.
All vessels that have gasoline or oils aboard for sale shall be equipped with and use anchor and tie lines of metal, chain, or cable.
All vessels carrying storage tanks equipped with facilities for dispensing gasoline shall empty and thoroughly purge all of these storage tanks before the vessel is laid up for storage or repairs within the District of Columbia.
Fuel vessels shall be open to inspection by the Harbor Master and the Fire Chief.
D.C. Mun. Regs. tit. 19, r. 19-1032