(e) Within six (6) months after July 1, 1952, or as soon thereafter as practicable, the accumulated contributions of the members, less an amount sufficient to pay the employees' contributions as provided in Article 1 from the effective date of the federal-state agreement to July 1, 1952, shall be returned to the members respectively entitled thereto, or shall be used to purchase an additional annuity in accordance with Section 25-11-123(a)(3) if the member in writing shall affirmatively direct the custodian of such funds to transfer such member's contributions to the public employees' retirement system to be used for this purpose. In any event, if no election has been made, such member's contributions shall be returned to him or, if deceased, be paid as he shall have directed. In the absence of such written direction, his accumulated contributions shall be paid to his estate.