46 C.F.R. § 61.05-20 Boiler safety valves.
Title 46 - Shipping
Each safety valve for a drum, superheater, or reheater of a boiler shall be tested at the interval specified by table 61.05–10. [CGD 95–028, 62 FR 51202, Sept. 30, 1997]
Title 46: Shipping
PART 61—PERIODIC TESTS AND INSPECTIONS
Subpart 61.05—Tests and Inspections of Boilers
§ 61.05-20 Boiler safety valves.