Which of the following statements is true?

ASNT has been providing certification examinations for Level III personnel since the late 1960s.

SNT-TC-1A was first published in the late 1960s.

SNT-TC-1A requires that Level III personnel be qualified and certified by ASNT.

SNT-TC-1A was developed to satisfy requirements for NDT personnel qualification and certification set forth in parts of the ASME Boiler and Pressure Vessel Code.

All of the above are true.