49 CFR §180.201
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
This subpart prescribes requirements, in addition to those contained in parts 107, 171, 172, 173, and 178 of this chapter, for the continuing qualification, maintenance, or periodic requalification of DOT specification and exemption cylinders and UN pressure receptacles.