Every insurer must file with the director, any manual or schedule of rates or premiums which it proposes to use, together with any rules or regulations governing the setting or making of such rates or premiums, and indicate the character or extent of coverage contemplated under such rates and premiums, except that insurers need not include rates or premiums for a special or unusual guarantee as defined in § 58-25-5, and such rates or premiums may be classified individually and separately according to the circumstances peculiar to each case.

Source: SL 1966, ch 111, ch 14, § 3 (1).