The Secretary of State shall not file a certificate of incorporation for any mutual benefit association unless accompanied by a certificate duly signed by the Commissioner setting forth that a deposit of $25,000 has been made with the Commissioner in cash or approved securities, that conformity has been made with all of the requirements of this chapter and that the certificate of incorporation so presented for filing is in substantial compliance with the provisions of the insurance laws of this State. The deposit shall constitute a guaranty fund hereinafter mentioned.