As used in this chapter, the term: (1) ‘‘Board’’ means the Board of Driver Services. (2) ‘‘Commissioner’’ means the commissioner of driver services. (3) ‘‘Department’’ means the Department of Driver Services. (Code 1981, § 40-16-1, enacted by Ga. L. 2000, p. 951, § 1-1; Ga. L. 2005, p. 334, § 1-1/HB 501.) 40-16-2. Primary responsibilities.