California Code, Commercial Code - COM § 9204

(a) Except as otherwise provided in subdivision (b), a security agreement may create or provide for a security interest in after-acquired collateral.

(b) Subject to subdivision (c), a security interest does not attach under a term constituting an after-acquired property clause to either of the following:

(c) Subdivision (b) does not prevent a security interest from attaching to any of the following:

(d) A security agreement may provide that collateral secures, or that accounts, chattel paper, payment intangibles, or promissory notes are sold in connection with, future advances or other value, whether or not the advances or value are given pursuant to commitment.