The commissioner is authorized to enforce this article by instituting actions for injunction, mandamus, or other appropriate relief. (Ga. L. 1931, p. 199, § 13; Code 1933, § 68-618; Ga. L. 1963, p. 376, § 1; Ga. L. 1996, p. 950, § 3; Ga. L. 2000, p. 951, § 9-4.)