U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 30Chapter IPart 23 - PART 23—TELEPHONES AND SIGNALING DEVICES
View all text of Part 23 [§ 23.1 - § 23.14]
§ 23.13 - Withdrawal of approval.

MSHA reserves the right to rescind for cause at any time any approval granted under this part.

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