46 C.F.R. § 109.421 Report of repairs to boilers and pressure vessels.
Title 46 - Shipping
Before making repairs, except normal repairs and maintenance such as replacement of valves or pressure seals, to boilers or unfired pressure vessels in accordance with §50.05–10 of this chapter, the master or person in charge shall report the nature of the repairs to the Officer in Charge, Marine Inspection.
Title 46: Shipping
PART 109—OPERATIONS
Subpart D—Reports, Notifications, and Records
Reports and Notifications
§ 109.421 Report of repairs to boilers and pressure vessels.