CFR › Title 46 › Part 64 › §64.5746 CFR §64.57Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkA pressure relief device for an MPT must be—(a)From a supplier accepted under chapter I of title 46, Code of Federal Regulations; or(b)Accepted by the Coast Guard in accordance with the procedures in § 50.25-10 of this subchapter.