Section 1223 - Making of rates(a) Rates shall be made in accordance with the following provisions: (1) Manual, minimum, class rates, rating schedules or rating plans, shall be made and adopted, except in the case of specific inland marine rates on risks specially rated, and except in the case of special rates on other than inland marine risks where manual, minimum, class rates, rating schedules or rating plans are not applicable.(2) Rates shall not be excessive, inadequate or unfairly discriminatory.(3) Due consideration shall be given to past and prospective loss experience within and outside this Commonwealth, to physical hazards, to safety and loss prevention factors, to underwriting practice and judgment to the extent appropriate, to the conflagration and catastrophe hazards, to a reasonable margin for underwriting profit and contingencies, to dividends, savings or unabsorbed premium deposits allowed or returned by insurers to their policyholders, members or subscribers, to past and prospective expenses both countrywide and those specially applicable to this Commonwealth, and to all other relevant factors within and outside this Commonwealth; and in the case of fire insurance rates consideration shall be given to the experience of the fire insurance business during a period of not less than the most recent five year period for which such experience is available.(b) Rates made in accordance with this section may be used subject to the provisions of this act.1947, June 11, P.L. 551, § 3. Reenacted and amended 1961, Aug. 23, P.L. 1053, § 1.