As used in this part, the term: (1) “Commissioner” means the state revenue commissioner. (2) “Department” means the Department of Revenue. History. Code 1981, § 10-1-665, enacted by Ga. L. 1993, p. 1585, § 2; Ga. L. 2003, p. 445, § 2; Ga. L. 2005, p. 334, § 4-4/HB 501. 10-1-666. Enforcement of article by state revenue commissioner.