49 C.F.R. § 172.432
(a) Except for size and color, the INFECTIOUS SUBSTANCE label must be as follows:

[Amdt. 172-123, 56 FR 66258, Dec. 20, 1991, as amended at 67 FR 53136, Aug. 14, 2002; 76 FR 43527, July 20, 2011; 76 FR 56314, Sept. 13, 2011; 76 FR 81400, Dec. 28, 2011]