77 Ill. Adm. Code 2030.1220
Notices
Section 2030
Section 2030.1220 Notices
All notices required or
permitted by this Part or by the terms of an award shall be in writing and
shall be deemed to have been given within five days after the same has been
deposited in the United States mail or on the actual date indicated on the return
receipt requested, postage prepaid, to the parties entitled hereto, directed to
them at their last known address or at the address stated in the award
document. Addresses for notice may be changed by notice. Notice to a recipient
shall be addressed to the person who signed the award document on behalf of the
recipient, at the address stated in the award document, unless such person and
address are changed by notification in writing to the Department.