Does PQR need thirdparty endorement?


I would like to ask about procedure/PQR:
Who is required endorement the PQR by thirdparty? and which standard are required?

Thanks Bro,

The PQR shall be certified accurate by the organization .
The organization may not subcontract the certification function . This certification is intended to be the organization 's verification that the information in the PQR is a true
record of the variables that were used during the welding of the test coupon and that the resulting tensile , bend , or macro (as requ ired) test results are in compliance with
Section IX.

QW200.2 ASME sec9


recommend to invite 3rd to verify and endorse document.
base on your burget.


Which one could invite to witness?

Famous third parties: DNV-GL, LR, BV.