A: Neither the South Dakota Board of Technical Education nor any institution under the control of the board may restrict or limit the lawful carrying, possession, storage, or transportation of: (1) A concealed pistol, as defined in § 22-1-2, and compatible ammunition, by any individual within the boundaries of the institution, or while in any building or structure owned or leased by the board or the institution; (2) A stun gun, as defined in § 22-1-2, by any individual within the boundaries of the institution, or while in any building or structure owned or leased by the board or the institution; or (3) Mace, pepper spray, or other chemical irritant by any individual within the boundaries of the institution, or while in any building or structure owned or leased by the board or the institution.