Illinois Letter to the Circuit Clerk is a form used to request a copy of a court record or document from the Circuit Clerk of the Circuit Court. It can be used to request a copy of a case file, a transcript, an order, or any other document within the Circuit Court's jurisdiction. The letter should include the case name and number, the type of document requested, and the name and address of the person requesting the document. There are three main types of Illinois Letter to the Circuit Clerk: 1) Request for Certified Copy of Document; 2) Request for Uncertified Copy of Document; and 3) Request for Transcript of Proceedings.