Va. Code § 15.2-626
The director of social services, who shall be head of the department of social services, shall exercise the powers conferred and perform the duties imposed by general law upon the county board of social services, not inconsistent herewith. He shall also perform such other duties as the board of supervisors imposes upon him.
The county board of social services shall consist of six members; shall have all the powers, duties, and authority set out in Chapter 3 (§ 63.2-300 et seq.) of Title 63.2 of the Code of Virginia; and shall be appointed by the board of supervisors, which may fix, within the limits set forth in § 63.2-310, the compensation of the members of such board. At all times one member of the county board of social services shall also be a member of the board of supervisors. The board of social services may at any time be abolished by the board of supervisors.
Va. Code § 15.2-626