(a) Pipe, tubing, pipe joining fittings, and piping system components, must meet material and standard requirements of subpart 56.60 and must meet the certification requirements of part 50 of this subchapter.

(b) The requirements in this subpart and in subparts 56.15 through 56.25 must be met instead of those in 105 through 108 in ASME B31.1 (incorporated by reference; see § 56.01-2); however, certain requirements are marked “reproduced.”