30 C.F.R. § 7.49 Approval marking.
Title 30 - Mineral Resources
Each approved battery assembly shall be identified by a legible and permanent approval plate inscribed with the assigned MSHA approval number and securely attached to the battery box.
Title 30: Mineral Resources
PART 7—TESTING BY APPLICANT OR THIRD PARTY
Subpart C—Battery Assemblies
§ 7.49 Approval marking.

