15. ²[(1) The term of office of a member of a Board shall be five years and shall commence from the date of the notification of his nomination under sub-section (5) of section 13A, or from the date on which the vacancy has occurred in which he is nominated, whichever be later.] (2) The term of office of an ex-officio member of a Board ³[* * *] shall continue so long as he holds the office in virtue of which he is such member. (3) [Omitted by section 3 and 2nd Schedule of the Bangladesh Laws (Revision And Declaration) Act, 1973 (Act No. VIII of 1973).] (4) An outgoing member shall, unless the Government otherwise directs, continue in office until the ⁴[* * *] nomination of his successor is notified under sub-section (5) of section 13A. (5) An outgoing nominated member may, if qualified, be renominated.