(a) (1) Every insurer shall file with the commissioner every manual of classifications, territorial rate areas established pursuant to §33-20-3(c)(2) of this code, rules, and rates, every rating plan, and every modification of any of the foregoing which it proposes to use for casualty insurance to which this article applies.
(2) Every insurer shall file with the commissioner, except as to inland marine risks which, by general custom of the business, are not written according to manual rates or rating plans, every manual, minimum, class rate, rating schedule, or rating plan and every other rating rule and every modification of any of the foregoing which it proposes to use for fire and marine insurance to which this article applies. Specific inland marine rates on risks specially rated, made by a rating organization, shall be filed with the commissioner.