StacksVerified U.S. regulatory reference

49 CFR §172.440

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Except for size and color, the RADIOACTIVE YELLOW-III label must be as follows:
  2. (b)In addition to complying with § 172.407, the background color on the RADIOACTIVE YELLOW-III label must be yellow in the top half and white in the lower half. The printing and symbol must be black, except for the “III” which must be red.