The leasing of safe deposit boxes by a lessor shall be subject to such rules as the commission may prescribe, and such rules shall be promulgated with a view toward ensuring as much privacy and security to the lessee as sound banking practice will allow. Source: SL 1969, ch 11 , § 9.2; SL 1988, ch 377 , § 143; SDCL, § 51-23-2.