Regulationcurrent
49 CFR 172.304
Marking requirements.
Current as of 2026-08-18 Government source
eCFR editorial compilationAuthoritative but unofficial
View source (a)The marking required in this subpart—#
(1)Must be durable, in English and printed on or affixed to the surface of a package or on a label, tag, or sign.#
(2)Must be displayed on a background of sharply contrasting color;#
(3)Must be unobscured by labels or attachments; and#
(4)Must be located away from any other marking (such as advertising) that could substantially reduce its effectiveness.#
(b)[Reserved]#