CFR > Title 29 - Labor > SUBTITLE B—Regulations Relating to Labor > CHAPTER XVII—OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR (parts 1900 to 1990) > PART 1926—SAFETY AND HEALTH REGULATIONS FOR CONSTRUCTION > SUBPART CC—Cranes and Derricks in Construction (§1926.1400 to §1926.1442) > 1926.1418—Authority to stop operation.