The director may have such deputies or assistants in the performance of his duties as the board allows.
Code 1950, § 15-320; 1954, c. 46; 1956, c. 349; 1959, Ex. Sess., c. 69; 1962, cc. 399, 623, § 15.1-640; 1982, c. 647; 1991, c. 16; 1997, c. 587.