As a prerequisite to approval of an application for charter for an association with authority to issue permanent capital stock, the incorporators shall have subscribed and paid for in cash to the credit of the proposed association an aggregate amount of permanent capital stock as specified in Section 4 [58-10-4 N.M. Stat. Ann.] of the Savings and Loan Act. The stock shall be issued within thirty days from the date of incorporation, or from the date of approval of insurance of withdrawable accounts, whichever occurs later.