U.S. Code of Federal Regulations
Regulations most recently checked for updates: Sep 28, 2020
(a) Except for size and color, the RADIOACTIVE YELLOW-II must be as follows:
(b) In addition to complying with § 172.407, the background color on the RADIOACTIVE YELLOW-II label must be yellow in the top half and white in the lower half. The printing and symbol must be black, except for the “II” which must be red.