The Board’s procedural rules require a complainant to serve the complaint on all
respondents either personally, by registered or certified mail, or by messenger service.
See 35 Ill.
Adm. Code 101,
Appendix E, Illustration A (certificate of service by non-attorney).However, the requisite proof that a complaint has been served by certified mail is thecertified mail return receipt, executed by the respondent or its authorized agent. Under these circumstances, the Board directs complainant to file with the Board properproof t...
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