Service of all process, notices or demands may be made upon a public utility, telecommunications carrier, ARES or MSP by mailing in the United States mail, or by transmitting by electronic means, as provided by 83 Ill. Adm. Code 200.150, a copy to the designated agent within the State of Illinois at the address designated.
Ill. Admin. Code tit. 83, § 215.30
Amended at 25 Ill. Reg. 14840, effective November 1, 2001