(810 ILCS 5/9-602)
    Sec. 9-602. Waiver and variance of rights and duties. Except as otherwise provided in Section 9-624, to the extent that they give rights to a debtor or obligor and impose duties on a secured party, the debtor or obligor may not waive or vary the rules stated in the following listed Sections:
        (1) Section 9-207(b)(4)(C), which deals with use and operation of the collateral by the
    
secured party;
        (2) Section 9-210, which deals with requests for an accounting and requests concerning a
    
list of collateral and statement of account;
        (3) Section 9-607(c), which deals with collection and enforcement of collateral;
        (4) Sections 9-608(a) and 9-615(c) to the extent that they deal with application or
    
payment of noncash proceeds of collection, enforcement, or disposition;
        (5) Sections 9-608(a) and 9-615(d) to the extent that they require accounting for or
    
payment of surplus proceeds of collateral;
        (6) Section 9-609 to the extent that it imposes upon a secured party that takes
    
possession of collateral without judicial process the duty to do so without breach of the peace;
        (7) Sections 9-610(b), 9-611, 9-613, and 9-614, which deal with disposition of
    
collateral;
        (8) Section 9-615(f), which deals with calculation of a deficiency or surplus when a
    
disposition is made to the secured party, a person related to the secured party, or a secondary obligor;
        (9) Section 9-616, which deals with explanation of the calculation of a surplus or
    
deficiency;
        (10) Sections 9-620, 9-621, and 9-622, which deal with acceptance of collateral in
    
satisfaction of obligation;
        (11) Section 9-623, which deals with redemption of collateral;
        (12) Section 9-624, which deals with permissible waivers; and
        (13) Sections 9-625 and 9-626, which deal with the secured party's liability for failure
    
to comply with this Article.
(Source: P.A. 91-893, eff. 7-1-01.)