{"data":{"chapter":"I","heading":"Field modification of approved (permissible) equipment; application for approval of modification; approval of plans for modification before modification.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-B/part-18/subpart-D/section-18.81","part":"18","subchapter":"B","subpart":"D","id":"18.81","citation":"30 CFR 18.81","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER B—TESTING, EVALUATION, AND APPROVAL OF MINING PRODUCTS","partHeading":"PART 18—ELECTRIC MOTOR-DRIVEN MINE EQUIPMENT AND ACCESSORIES","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"}}}