2. Subject to article 3, the day appointed for the commencement of the provisions of the 2006 Act specified in Column 1 of Schedule 1 is 1st August 2011 except that—
(a)where a particular purpose is specified in Column 3 of that Schedule in relation to any such provision, the relevant provision comes into force on that day for that particular purpose only;
(b)where any limitation is specified in Column 3 of that Schedule in relation to any such provision, the relevant provision comes into force on that day subject to the specified limitation.