Immediately upon receipt of the approved articles of merger, consolidation or conversion from the State Bank Commissioner, and upon receipt by the Secretary of State of the written approval of the Federal Home Loan Bank Board, if such approval is required by law, the Secretary of State shall file the articles, and shall issue to the surviving, new or converted association or federal savings and loan association, or its representative, a certificate of merger, consolidation or conversion. A copy of the approved articles of merger, consolidation or conversion shall be sent by the Secretary of State to the State Bank Commissioner.