30 CFR § 27.12 - Withdrawal of certification.

---
identifier: "/us/cfr/t30/s27.12"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 27.12 - Withdrawal of certification."
title_number: 30
title_name: "Mineral Resources"
section_number: "27.12"
section_name: "Withdrawal of certification."
chapter_name: "MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR"
subchapter_number: "B"
subchapter_name: "TESTING, EVALUATION, AND APPROVAL OF MINING PRODUCTS"
part_number: "27"
part_name: "METHANE-MONITORING SYSTEMS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "30 U.S.C. 957, 961."
regulatory_source: "31 FR 10607, Aug. 9, 1966, unless otherwise noted."
cfr_part: "27"
---