All powers, duties and functions vested in the director, including the making of inspections, examinations, audits and investigations and the conducting of hearings, may be delegated to, and exercised by, his duly authorized deputies, agents, appointees or employees of the division; but any such exercise of power, duty or function shall be at his direction and under his supervision, and he shall be responsible for all official acts.

L.1947, c. 151, p. 650, s. 9.