(a) to a person that is a debtor or obligor, unless the secured party knows:
(1) that the person is a debtor or obligor;
(2) the identity of the person; and
(3) how to communicate with the person; or
(b) to a secured party or lienholder that has filed a financing statement against a person, unless the secured party knows:
(1) that the person is a debtor; and
(2) the identity of the person.