D.C. Mun. Regs. r. 27-2621
When procuring architect-engineer services, the head of the contracting agency shall appoint one (1) or more permanent or ad hoc architect-engineer evaluation boards composed of members who, collectively, have experience in architecture, engineering, construction, and District and related procurement matters.
Members of evaluation boards shall include highly qualified professional employees of the District and may include private practitioners of architecture, engineering, or related professions. The head of the contracting agency shall designate one (1) District employee member of each board as the chairperson.
No firm shall be eligible for award of an architect-engineer contract during the period in which any of its principals or associates are participating as members of the awarding evaluation board.
D.C. Mun. Regs. r. 27-2621