Section 2605.120  Service

a)         Service of all documents after a Petition for Hearing or Notice of Charges has been initiated shall be made by personal delivery upon all parties, or United States mail, properly addressed, with postage prepaid, unless otherwise required in this Part. Proof of Service must be attached to the original of any document served.  The parties may agree to service by facsimile, however, such Proof of Service shall contain a confirmation of receipt attached to the document faxed.

b)         Service on the Department is made by serving the Office of the General Counsel, at the Springfield office address, unless otherwise designated by the Department.

c)         Service on a party shall be at its last known address, unless otherwise designated by the party.