(810 ILCS 5/9-341)
    Sec. 9-341. Bank's rights and duties with respect to deposit account. Except as otherwise provided in Section 9-340(c), and unless the bank otherwise agrees in an authenticated record, a bank's rights and duties with respect to a deposit account maintained with the bank are not terminated, suspended, or modified by:
        (1) the creation, attachment, or perfection of a
    
security interest in the deposit account;
        (2) the bank's knowledge of the security interest; or
        (3) the bank's receipt of instructions from the
    
secured party.
(Source: P.A. 91-893, eff. 7-1-01.)