Section 193.521 - Certification of notice(1) CERTIFICATE REQUIRED. After mailing or otherwise providing notices required under s. 193.511(5) or 193.515(2), the cooperative shall execute a certificate containing the date of mailing or provision of the notices and a statement that the notices were mailed or provided as required under s. 193.511(5) or 193.515(2), as applicable.(2) MATTER OF RECORD. The cooperative shall include the certificate under sub. (1) in the record of the meeting to which the certificate relates.