49 C.F.R. §§ 179.100-20

Current through September 30, 2024
Section 179.100-20 - Stamping
(a) To certify that the tank complies with all specification requirements, each tank shall be plainly and permanently stamped in letters and figures at least 3/8 inch high into the metal near the center of both outside heads as follows:

Example of required stamping
SpecificationDOT-105A100W
MaterialASTM A 516
Cladding material (if any)ASTM A240-304
Tank builder's initialsClad
Date of original testABC
Car assembler (if other than tanker builder)00-0000
DEF

(b) After July 25, 2012, newly constructed DOT tank cars must have their DOT specification and other required information stamped plainly and permanently on stainless steel identification plates in conformance with the applicable requirements prescribed in § 179.24(a) . Tank cars built before July 25, 2012, may have the identification plates instead of or in addition to the head stamping.

49 C.F.R. §§179.100-20

29 FR 18995, Dec. 29, 1964. Redesignated at 32 FR 5606, Apr. 5, 1967, and amended by Amdt. 179-10, 36 FR 21346, Nov. 6, 1971; Amdt. 179-52, 61 FR 28679, June 5, 1996; 65 FR 50463, Aug. 18, 2000; 77 FR 37985, June 25, 2012