A. As a prerequisite to approval of an application for charter for an association without permanent capital stock, the incorporators must show to the satisfaction of the supervisor subscribed and pledged savings accounts in the following aggregate amounts, based on the total population of the area in which the principal office of the association is to be located:
B. The provisions of this section are not retroactive with respect to associations established or approved by the director of the financial institutions division prior to the effective date of the Savings and Loan Act.