“13. (1) At the first ordinary meeting of the Assembly held after a primary election before he proceeds to the dispatch of any other business, the Presiding Officer shall appoint, on the advice of the Chief Secretary, the member who shall be Leader of Assembly Business for that Session.

(2) In the absence of the Leader of Assembly Business, the Presiding Officer, acting on the advice of the Chief Secretary, shall appoint any other member to perform the functions of the Leader of Assembly Business.”