Rule 3.06 - SEASONABLY UPDATING DISCOVERYSupreme Court Rules 213(i), 214, and 222(c) require a party to seasonably supplement or amend prior answers, responses and disclosures whenever new or additional information becomes known to that party.
Pursuant to said rules, every party shall have the duty to seasonably supplement through trial. "Seasonably" shall be defined in the following terms:
A. When the trial is more than 60 days away in the future, the party discovering the new information and/or documents that must be disclosed shall tender the information as soon as practicable, but in any event no later than 14 days after the date of discovering the information.B. When the trial is less than 60 days in the future, the party discovering the new information and/or documents that must be disclosed shall tender the information immediately and without delay.C. When the information and/or documents are discovered during trial, the party(ies) shall supplement immediately and without delay. Any party who fails to comply with this rule is subject to sanctions under Supreme Court Rule 219.
Ill. R. Cir. Ct. McHenry Cnty. 3.06