Section 178.356-4 - Required markings(a) Marking must be as prescribed in §178.3.(b) Marking on the outside of each overpack must be as follows: (1) "USA-DOT-20PF-1" or "-2," as appropriate, and if the entire liner is made of stainless steel, additional marking such as "3041-SS" to indicate the type of stainless steel used.(2) "TARE WT: xxx lbs." where xxx is the tare weight of the assembled overpack without the inner container.Amdt. 178-35, 39 FR 45247, 12/31/1974. Redesignated by Amdt. 178-97, 55 FR 52716, 12/21/1990, as amended at 63 FR 37462, 7/10/1998