{"data":{"id":"us/30-cfr-56.19093","jurisdiction":"us","citation":"30 CFR 56.19093","heading":"Standard signal code.","body":"A standard code of hoisting signals shall be adopted and used at each mine. The movement of a shaft conveyance on a “one bell” signal is prohibited.","path":["Title 30—Mineral Resources","CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","Subpart R—Personnel Hoisting"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-30.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:24Z","sha256":"e1fef1a31eda49f2b86528c193b78215e649240546226e66645120e63018a02b","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-56.19092","next":"us/30-cfr-56.19094"},"notice":"GroundRules: Original legal text. Not legal advice."}