13. The repair or alteration of pressure equipment must be carried out in accordance with the technical requirements of ANSI/NB-23, National Board Inspection Code, Part 3 Repairs and Alterations, published by the National Board of Boiler and Pressure Vessel Inspectors (National Board).
However, the repair of a safety valve must be carried out in accordance with the technical requirements of the National Board Inspection Code, Part 4 Pressure Relief Devices, ANSI/NB-23, published by the National Board.
A person repairing or altering pressure equipment must also take into account the codes and standards referenced by this Regulation and according to which the equipment was designed, manufactured or installed, as well as the operating conditions to which the equipment is subjected.
89-2018O.C. 89-2018, s. 13.