The Illinois Certificate of Service (regular mail) is a document used to certify that legal documents have been properly served to the recipient. It is typically used in court proceedings in the state of Illinois. The certificate is usually included as an attachment to the documents being served and is signed by the party who delivered the documents. The Illinois Certificate of Service (regular mail) is most commonly used when documents are being served via regular mail, rather than in person or via other methods such as certified or registered mail. It certifies that the documents were properly served to the recipient in accordance with Illinois law. There are several types of Illinois Certificate of Service (regular mail). These include: • Certificate of Service By Regular Mail: This type of Certificate of Service is used when documents are served via regular mail. • Certificate of Service By Certified Mail: This type of Certificate of Service is used when documents are served via certified mail. • Certificate of Service By Registered Mail: This type of Certificate of Service is used when documents are served via registered mail. • Certificate of Service By Private Carrier: This type of Certificate of Service is used when documents are served via private carrier.