CFR › Title 49 › Part 172 › §172.43049 CFR §172.430Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Except for size and color, the POISON label must be as follows:(b)In addition to complying with § 172.407, the background on the POISON label must be white. The word “TOXIC” may be used in lieu of the word “POISON”.