(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.)