(

a) A person may file an initial financing statement, an amendment that adds collateral covered by a financing statement, or an amendment that adds a debtor to a financing statement only if either of the following conditions is satisfied:

(1) The debtor authorizes the filing in a signed record or pursuant to subdivision (

b) or (c).

(2) The person holds an agricultural lien that has become effective at the time of filing and the financing statement covers only collateral in which the person holds an agricultural lien. (

b) By signing or becoming bound as debtor by a security agreement, a debtor or new debtor authorizes the filing of an initial financing statement, and an amendment, covering both of the following:

(1) The collateral described in the security agreement.

(2) Property that becomes collateral under paragraph (2) of subdivision (

a) of

Section 9315, whether or not the security agreement expressly covers proceeds. (

c) By acquiring collateral in which a security interest or agricultural lien continues under paragraph (1) of subdivision (

a) of

Section 9315, a debtor authorizes the filing of an initial financing statement, and an amendment, covering the collateral and property that becomes collateral under paragraph (2) of subdivision (

a) of

Section 9315. (

d) A person may file an amendment other than an amendment that adds collateral covered by a financing statement or an amendment that adds a debtor to a financing statement only if either of the following conditions is satisfied:

(1) The secured party of record authorizes the filing.

(2) The amendment is a termination statement for a financing statement as to which the secured party of record has failed to file or send a termination statement as required by subdivision (

a) or (

c) of

Section 9513, the debtor authorizes the filing, and the termination statement indicates that the debtor authorized it to be filed. (

e) If there is more than one secured party of record for a financing statement, each secured party of record may authorize the filing of an amendment under subdivision (d).