{"data":{"chapter":"I","heading":"Posting at mine.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-40/section-40.4","part":"40","subchapter":"G","subpart":"","id":"40.4","citation":"30 CFR 40.4","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER G—FILING AND OTHER ADMINISTRATIVE REQUIREMENTS","partHeading":"PART 40—REPRESENTATIVE OF MINERS","subpartHeading":"","text":null},"meta":{"representation":"json","fullCorpus":"/data/title30-sections.json","snapshot":{"chapterCount":6,"featuredSectionCount":100,"latestAmendedOn":"2026-08-14","latestIssueDate":"2026-08-14","partCount":206,"sectionCount":5954,"upToDateAsOf":"2026-08-19"}}}