California Code, Code of Civil Procedure - CCP § 995.740

(a) Pay quarterly, on demand, any interest on the deposit, when earned in accordance with the terms of the account or certificate, to the principal.

(b) Deliver to the principal, on demand, any interest coupons attached to bonds or notes, including bearer bonds and bearer notes, as the interest coupons become due and payable, or pay annually any interest payable on the bonds or notes.