49 CFR § 178.255-14
Marking
November 18, 2020
(a) In addition to markings required by Section VIII of the ASME Code (IBR, see §171.7 of this subchapter), every tank shall bear permanent marks at least 1/8-inch high stamped into the metal near the center of one of the tank heads or stamped into a plate permanently attached to the tank by means of brazing or welding or other suitable means as follows:
Manufacturer's name _______ Serial No.
DOT specification
Nominal capacity _______ (gallons)
Tare weight _______ (pounds)
Date of manufacture
(b) [Reserved]
[29 FR 18972, Dec. 29, 1964. Redesignated at 32 FR 5606, Apr. 5, 1967, and amended by Amdt. 178-67, 46 FR 49906, Oct. 8, 1981; 68 FR 75750, Dec. 31, 2003]