Okla. Stat. tit. 6, § 1403
It is unlawful for any person to use the words "safe deposit", "safety deposit" or other words deceptively similar thereto, in connection with the rental of storage space, or in the title or name under which business was done, unless the person is:
Laws 1965, SB 1, c. 161, § 1403; Amended by Laws 1997, HB 2173, c. 111, § 107, emerg. eff. July 1, 1997 (superseded document available).