The categories of supplementary rating information addressed in this section describe the different items that may be required or requested in a rate and rule filing. Section 5.9334 of this title (relating to Requirements for Rate and Rule Filing Submissions) lists the categories of supplementary rating information that different rate and rule filings require. Categories of supplementary rating information include:(1) Rating manual. This type of manual consists of any rating schedule, plan of rules, and rating rules. A rating manual may contain factors and relativities, including increased limits factors, classification relativities, deductible relativities, territory relativities, premium discounts, and other similar factors. A rating manual may also include some or all information in the remaining categories of supplementary rating information.(2) Rating algorithm.(3) Rating plan.(4) Territory codes and descriptions.(5) Classification system. This consists of any other criteria, guidelines, models, and methods that place individual risks into rating classifications, such as tiers, categories, or similar groupings, regardless of the name used.(6) Factors and relativities, including increased limits factors, classification relativities, deductible relativities, territory relativities, premium discounts or surcharges, and other similar factors.(7) Other information. This is any other information used by the insurer to determine the applicable premium for an insured.