Ohio Rev. Code § 1309.341: Bank's rights and duties with respect to deposit account - UCC 9-341.

Except as otherwise provided in division (C) of section 1309.340 of the Revised Code, 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:

(A) The creation, attachment, or perfection of a security interest in the deposit account;

(B) The bank's knowledge of the security interest; or

(C) The bank's receipt of instructions from the secured party.