50 Ill. Adm. Code 2005.50
Policy Form Requirements
Section 2005
Section 2005.50 Policy Form
Requirements
All policies which exclude the
payment of a claim due to a "Pre-existing Illness" or
"Pre-existing Condition" as constructed by terms used in the
definition of illness or insuring clause of a policy such as
"manifests", "beings", "commences", etc., shall contain
a definition of these terms within any policy or contain a provision defining
the terms "Pre-existing Illness" or "Pre-existing
Conditions" within any policy approved by the Department of Insurance on
or after the effective date of this Rule.