The discharge capacities and valve markings must be as indicated in HG-402 of section IV of the ASME Boiler and Pressure Vessel Code (incorporated by reference; see 46 CFR 53.01-1). The discharge capacities must be certified by the National Board of Boiler and Pressure Vessel Inspectors.

[USCG-2003-16630, 73 FR 65164, Oct. 31, 2008]