Certification.
Certification.
(1) At the time any document required to be served is filed with the Commission, the original of a certificate of service must be attached to the document and a copy of the certificate must be attached to each copy of the document filed with the Commission.
(2) The certificate of service must conform to the following format:
(1) At the time any document required to be served is filed with the Commission, the original of a certificate of service must be attached to the document and a copy of the certificate must be attached to each copy of the document filed with the Commission.
(2) The certificate of service must conform to the following format: