WVC 22 A- 2 A- 203
§22A-2A-203. Certificate of approval defined.
"Certificate of approval" means a formal document issued by
MSHA stating that a complete assembly has met the requirements of
part 36, title thirty of the code of federal regulations, 30 C.F.R.
§ 36.1, et seq., for mobile diesel-powered transportation equipment
and authorizing the use and attachment of an official approval
plate so indicating.