The Oregon Certificate of Service is a document used to prove that notice of a legal action or proceeding has been provided to the other parties involved. It is used to provide evidence that all parties in a case have received proper notice of the proceedings. This document is sometimes referred to as a proof of service or a certificate of service. There are several types of Oregon Certificate of Service, such as a Summons and Complaint, Notice of Appeal, Notice of Motion, and Notice of Hearing. Each type of document serves a specific purpose, such as providing notice of a lawsuit, appeal, or hearing. The Oregon Certificate of Service must be completed accurately and in a timely manner to ensure that all parties are properly notified and that the case proceeds as intended.