StacksVerified U.S. regulatory reference

33 CFR §127.403

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The operator must conduct a visual inspection for defects of each pressure-relief device not capable of being tested, at least once each calendar year, with intervals between inspections not exceeding 15 months, and make all repairs in accordance with § 127.405.