Va. Code § 30-219
The Commission shall consist of eight legislative members. Members shall be appointed as follows: three members of the Senate, to be appointed by the Senate Committee on Rules and five members of the House of Delegates, to be appointed by the Speaker of the House of Delegates in accordance with the principles of proportional representation contained in the Rules of the House of Delegates.
Members of the Commission shall serve terms coincident with their terms of office. Members may be reappointed. Appointments to fill vacancies, other than by expiration of a term, shall be for the unexpired terms. Vacancies shall be filled in the same manner as the original appointments.
The Commission shall elect a chairman and vice-chairman from among its membership.
Va. Code § 30-219