Section 12. A mutual company directly or indirectly controlling or owning 1 or more wholly owned stock bank subsidiaries or stock holding companies may elect to convert from a mutual holding company to a mutual banking institution organized under the original charter of its subsidiary banking institution, subject to approval of the commissioner and subject to the following conditions:
(1) the conversion of the mutual holding company to a mutual banking institution shall be effected pursuant to a plan of conversion approved by the commissioner and a vote of 2/3 of the corporators of the mutual holding company;
(2) all direct or indirect wholly owned stock bank subsidiaries and stock holding companies of the mutual holding company shall be merged into the resulting mutual banking institution;
(3) the reorganized mutual banking institution shall assume all assets and liabilities of any direct or indirect wholly owned stock bank subsidiary or stock holding company and shall retain deposit insurance from the Federal Deposit Insurance Corporation and the excess deposit insurer of its subsidiary banking institution; and
(4) such other provisions as the commissioner may require.
The commissioner may promulgate rules and regulations to carry out this section.