(1) A secured party has control of a deposit account if:
(a) The secured party is the bank with which the deposit account is maintained;
(b) The debtor, secured party, and bank have agreed in a signed record that the bank will comply with instructions originated by the secured party directing disposition of the funds in the deposit account without further consent by the debtor;
(c) The secured party becomes the bank's customer with respect to the deposit account; or (d) Another person, other than the debtor:
1. Has control of the deposit account and acknowledges that it has control on behalf of the secured party; or 2. Obtains control of the deposit account after having acknowledged that it will obtain control of the deposit account on behalf of the secured party.
(2) A secured party that has satisfied subsection (1) of this section has control, even if the debtor retains the right to direct the disposition of funds from the deposit account.