76914145.1-161.31Virginia Decodedhttps://vacode.org2016Mines And MiningCoal Mine Safety ActCertification Of Coal Mine WorkersCode 1950, §§ 45-24, 45-25; 1954, c. 191; 1966, c. 594, §§ 45.1-8, 45.1-9; 1972, c. 440; 1978, c. 120; 1984, c. 590; 1994, c. 28; 1996, c. 774; 2007, cc. 894, 914.http://law.lis.virginia.gov/vacode/45.1-161.31/45.1-161.32Replacement of lost or destroyed certificates/45.1-161.32/45.1-161.34Continuing education requirements/45.1-161.34//45.1-161.31/45.1/14.2/3/45.1-161.31