80 Ill. Adm. Code 1600.610
Invalid Orders
Section 1600
Section 1600.610Â Invalid
Orders
An order failing to satisfy all the applicable requirements
under Section 1600.605 shall be invalid and shall not cause the member's
benefits to be divided or reduced absent the submission of a new order
satisfying those requirements. The new order shall not be treated as a
modified order under Section 1600.620 and shall not be implemented
retroactively.