The systems of expense provisions included in the rates for use by any insurer or group of insurers may differ from those of other insurers or group of insurers to reflect the requirements of the operating methods of any such insurer or group of insurers with respect to any kind of insurance, or with respect to any subdivision or combination thereof for which subdivision or combination separate expense provisions are applicable.

Source: SL 1966, ch 111, ch 15, § 3 (1) (c).