(a) To meet the operating costs and expenses of the department in administering this division and other laws relating to savings associations or the savings association business, for the payment of which no provision is otherwise made, the commissioner shall require each association doing business in this state to pay in advance an annual assessment for its pro rata share of all operating costs and expenses as estimated by the commissioner for the ensuing year.
(b) As used in this article, “association” includes a foreign savings association doing business in this state under an approval issued by the commissioner.