CODE OF VIRGINIA LABORATORY FOR DIAGNOSIS OF DISEASES (§ 3.2-5903) The Commissioner shall maintain and operate a laboratory system for the diagnosis of diseases of livestock and poultry, and for such other uses and purposes as may be determined by the Commissioner. HISTORY: Code 1950, § 3-567; 1966, c. 702, § 3.1-725; 2008, c. 860.