New York Notice of Service of Summons and Complaint on the Secretary of State (CIV-GP-73) is a court document used to serve a summons and complaint to a party in a civil case who is a non-resident of the state of New York. The document is filed with the New York State Department of State and serves as proof of service. It is commonly used to sue a business or individual who is located outside the state. There are two types of New York Notice of Service of Summons and Complaint on the Secretary of State (CIV-GP-73): 1. Notice of Service of Summons and Complaint on the Secretary of State by Agent: This is used when the plaintiff or their agent serves the summons and complaint on the Secretary of State. 2. Notice of Service of Summons and Complaint on the Secretary of State by Mail: This is used when the summons and complaint are sent to the Secretary of State via certified mail.