D.C. Mun. Regs. tit. 27, r. 27-4006
District contract quality assurance shall be performed at times and at places necessary to determine that the goods, services, or construction conform to contract requirements.
Each contract shall designate the place or places where the District reserves the right to perform quality assurance.
If the contract provides for performance of District quality assurance at the source, the place or places of performance shall not be changed without the authorization of the contracting officer.
If a contract provides for delivery and acceptance at destination, and the District inspects the goods at a place other than the destination, the goods shall not be reinspected at the destination but shall be examined for quantity, damage in transit, and possible substitution or fraud.
District inspection shall be performed by or under the direction or supervision of District government personnel.
The individual responsible for the District inspection shall document the inspection on an inspection or receiving report form, approved by the Director, or on a commercial shipping document or packing list.
D.C. Mun. Regs. tit. 27, r. 27-4006