All applicants for licenses shall take an examination approved by the board. History. Ga. L. 1921, p. 166, § 6; Code 1933, § 84-508; Ga. L. 1939, p. 252, § 2; Ga. L. 1971, p. 455, § 1; Ga. L. 1976, p. 1054, § 2; Ga. L. 1982, p. 3, § 43; Ga. L. 1984, p. 913, § 3.