ASME DRF U-3 2013 Edition, July 2013
FORM U-3 MANUFACTURER'S CERTIFICATE OF COMPLIANCE CONVERTING PRESSURE
VESSELS TO BE STAMPED WITH THE UM SYMBOL [SEE U-1(J)] -ASREQUIRED BY THE
PROVISIONS OF THE ASME BOILER AND PRESSURE VESSEL CODE RULES, SECTION VIII,
DIVISION 1