The appointment of a committee in pursuance of this Act shall take place annually, and the person whose duty it is to summon meetings of any such allotment trustees or vestry as aforesaid shall summon within twelve months after the passing of this Act, for the purpose of appointing a committee as required by this Act, a first meeting of the allotment trustees or vestry of which he is summoning officer, or meetings whereof he is authorised to summon, and to summon a meeting of the same body for the like purpose, to be held in the month of August in every year thereafter.