Cal. Com. Code § 9628
(a) Subject to subdivision (e), unless a secured party knows that a person is a debtor or obligor, knows the identity of the person, and knows how to communicate with the person both of the following rules apply:
(b) Subject to subdivision (e), a secured party is not liable because of its status as secured party to either of the following persons:
(1) To a person that is a debtor or obligor, unless the secured party knows all of the following:
(2) To a secured party or lienholder that has filed a financing statement against a person, unless the secured party knows both of the following:
(c) A secured party is not liable to any person, and a person’s liability for a deficiency is not affected, because of any act or omission arising out of the secured party’s reasonable belief that a transaction is not a consumer-goods transaction or a consumer transaction or that goods are not consumer goods, if the secured party’s belief is based on its reasonable reliance on either of the following representations:
(e) Subdivisions (a) and (b) do not apply to limit the liability of a secured party to a person if, at the time the secured party obtains control of collateral that is a controllable account, controllable electronic record, or controllable payment intangible or at the time the security interest attaches to the collateral, whichever is later, both of the following conditions are satisfied: