Guillen Ex Rel. Guillen v. Potomac Ins. Co.

Two principal issues are presented in this case: (1) whether an insurer who mails notice to its insured of a material change in an insurance policy, as required under section 143.17a(b) of the Illinois Insurance Code (215 ILCS 5/143.17a(b) (West 1992)), must maintain proof of the mailing on a recognized “U.S. Post Office” (hereinafter, Postal Service) form or form acceptable to the Postal Service or other commercial delivery service; and (2) whether the plaintiff, by virtue of an assignment given by the insured in this case, obtained a right to indemnification from the defendant insurance…