Pdf and print it out. A proof of service must be filed when disclosure forms are served.(32) The information in the verified statements and disclosure forms is. Disclosures under subrule (A) are subject to MCR 2.302(G), must be in writing, signed, and served, and a proof of service must be promptly filed. Do this using a proof of service or proof of mailing form. Sometimes it is also called a certificate of mailing. Sign the Certificate of Mailing at the bottom of this copy and eFile it as your proof of service. Only a proof of service shall be filed with the court. You must wait 21 days after your judgment was entered to file for discovery. Complete the front of the Discovery Subpoena Form (PDF).