Ind. Code § 27-7-2-28.1
(a) All companies authorized to write worker's compensation insurance shall participate in the assigned risk plan providing for the equitable apportionment among them of insurance that may be afforded to applicants who are in good faith entitled to but who are unable to procure such insurance through ordinary methods. The bureau shall file, at least thirty (30) days before their effective date, the plan of operation, rates, rating plans, rules, policy forms, and any future modifications thereof, with the commissioner for approval. Such rates shall reflect experience in the assigned risk plan to the extent it is actuarially appropriate. The rates must reflect the varied categories of rejected risks covered by the assigned risk plan and must include at least two (2) rating plans, one
As added by P.L.249-1989, SEC.14.