The initial premise works as-is provided as all companies are part of an all-encompassing organization. Otherwise, Company 'C' would need to qualify a PQR and write a subsequent WPS.
Subject Description: Section IX, QW-201, Manufacturer's or Contractor's Responsibility
Date Issued: 03/19/1996
Record Number: BC95-482
Interpretation Number: IX-95-27
Question(s) and Reply(ies): Question: May a subcontractor use a WPS supported by a PQR which was qualified by
the contracting company and subsequently supplied to the subcontractor?
Reply: No.
Standard Designation: BPV Section IX
Edition/Addenda:
Para./Fig./Table No:
Subject Description: Section IX, QW-201, Manufacturer's or Contractor's Responsibility
Date Issued: 12/15/1997
Record Number: BC97-309
Interpretation Number: IX-98-02
Question(s) and Reply(ies): Question: May a manufacturer use another organization's Welding Procedure
Specifications in fabrication of pressure vessels contracted to that organization if the
manufacturer works to specifications controlling all fabrication processes from material
procurement to final delivery including QC examination provided by the contracting
organization?
Reply: No.