49 C.F.R. § 178.270-8 Protection of valves and accessories.
Title 49 - Transportation
Each valve, fitting, accessory, safety device, gauging device, and other appurtenance shall be adequately protected against mechanical damage. [Amdt. 178–65, 46 FR 9896, Jan. 29, 1981]
Title 49: Transportation
PART 178—SPECIFICATIONS FOR PACKAGINGS
Subpart H—Specifications for Portable Tanks
§ 178.270-8 Protection of valves and accessories.