35 ILCS 5/907
Current through Public Act 103-1052
The taxpayer at any time, whether or not a notice of deficiency has been issued, shall have the right to waive the restrictions on assessment and collection of the whole or any part of any proposed assessment under this Act by a signed notice in writing filed with the Department in such form as the Department may by forms or regulations prescribe.
35 ILCS 5/907