Section 730.160  Service

a)         Service of all documents after a Petition for Hearing or Notice of Hearing has been initiated shall be made by personal delivery upon all Parties or by U.S. Mail, properly addressed, with postage prepaid, unless otherwise required in this Section. Proof of service must be attached to the original of any document served. The Parties may agree to service by telefax or e-mail attachment; however, if the Parties so agree, the proof of service shall contain a confirmation of receipt attached to the document faxed or e-mailed.

b)         Service on the Treasurer is made by serving the Office of the General Counsel, at the Springfield office address, unless otherwise designated by the Treasurer. Service on a Party other than the Treasurer shall be at its last known address, unless otherwise designated by the Party.