Section 56.75-20 - Brazing qualification(a) The qualification of the performance of brazers and brazing operators must be in accordance with the requirements of Part C, Section IX of the ASME Code (incorporated by reference; see § 56.01-2 ) and part 57 of this subchapter.(b) Manufacturers shall perform those tests required by paragraph (a) of this section prior to performing production brazing.CGFR 68-82, 33 FR 18843, Dec. 18, 1968, as amended by USCG-2003-16630, 73 FR 65184 , Oct. 31, 2008