50 Ill. Adm. Code 1052.40
Filing and Approval of Premiums
Section 952
Section 1052.40 Filing and
Approval of Premiums
In determining whether or not
the benefits in any policy form submitted by an insurer for approval are
"reasonable" in relation to the premium, an ultimate loss ratio of
fifty percent (50%) will be deemed to provide benefits reasonable in relation
to the premium.