Section 54.15-1 - General (modifies UG-125 through UG-137)(a) All pressure vessels must be provided with protective devices as indicated in UG-125 through UG-136 Section VIII of the ASME BPVC (incorporated by reference; see § 54.01-1 ) except as noted otherwise in this subpart.(b) The markings must be in accordance with this chapter for devices covered by § 54.15-10 .CGFR 68-82, 33 FR 18828, Dec. 18, 1968, as amended by CGD 88-032, 56 FR 35822, July 29, 1991; USCG-2003-16630, 73 FR 65170 , Oct. 31, 2008