{"data":{"chapter":"I","heading":"Filing and form of documents.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-44/subpart-C/section-44.21","part":"44","subchapter":"G","subpart":"C","id":"44.21","citation":"30 CFR 44.21","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER G—FILING AND OTHER ADMINISTRATIVE REQUIREMENTS","partHeading":"PART 44—RULES OF PRACTICE FOR PETITIONS FOR MODIFICATION OF MANDATORY SAFETY STANDARDS","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"}}}