Going to the source, ASME Section IX, 2010, under General Welding Requirements;
Welding Procedure Specifications, Procedure Qualification
Records, and Welder/Welding Operator Performance
Qualification made in accordance with the requirements
of the 1962 Edition or any later Edition of Section IX may
be used in any construction built to the ASME Boiler and
Pressure Vessel Code or the ASME B31 Code for Pressure
Piping.
Welding Procedure Specifications, Procedure Qualification
Records, and Welder/Welding Operator Performance
Qualification made in accordance with the requirements
of the Editions of Section IX prior to 1962, in which all
of the requirements of the 1962 Edition or later Editions
are met, may also be used.
Welding Procedure Specifications and Welder/Welding
Operator Performance Qualification records meeting the
above requirements do not need to be amended to include
any variables required by later Editions and Addenda
except as specified in QW-420.