CA Fin Code Section 1410

(a)

No bank shall impose any charge on a savings account or on a depositor for the failure of a depositor to deposit, or for the late deposit of, any agreed periodic installment deposit into that account. A bank shall pay interest on savings accounts as to which a depositor has agreed to make periodic installment deposits at a rate of interest per annum that is not less than the lowest rate paid on other types of savings deposits.

(b)

As used in this section “savings account” means a Christmas club account, a vacation club account, or other similar periodic installment deposit account maintained by a natural person, irrespective of its classification as a savings deposit or time deposit open account for purposes of state or federal law or regulations.