California Code
CHAPTER 8 - Label Requirements
Section 108810.

108810. The words “safe,” “safely,” “safety,” or words having the same meaning that would detract from the value of the cautionary statement shall not be used upon the labels of containers of dangerous drugs, poisons, and other highly toxic substances.

(Added by Stats. 1995, Ch. 415, Sec. 6. Effective January 1, 1996.)