46 CFR § 64.57
Acceptance of pressure relief devices
April 15, 2021
A pressure relief device for an MPT must be—
(a) From a supplier2 accepted under chapter I of title 46, Code of Federal Regulations; or
2Accepted suppliers are listed in CG-190, Equipment list.
(b) Accepted by the Coast Guard in accordance with the procedures in §50.25-10 of this chapter.
[CGD 84-043, 55 FR 37410, Sept. 11, 1990]