American Society of Mechanical Engineers (ASME) International
Three Park Avenue, New York, NY 10016-5990
Boiler and Pressure Vessel Code, section IX, Welding and Brazing Qualifications, July 1989 with 1989 addenda. 57.01-1; 57.02-2; 57.02-3; 57.02-4; 57.03-1; 57.04-1; 57.05-1; 57.06-1; 57.06-3; 57.06-4
46 C.F.R. §57.02-1