StacksVerified U.S. regulatory reference

46 CFR §154.665

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Welding procedure tests for cargo tanks for a design temperature colder than 0 °C (32 °F), process pressure vessels, and piping must meet § 54.05-15 and Subpart 57.03 of this chapter.