2.—The First Schedule to the Principal Act is hereby amended—
(a) by the substitution in subparagraph (1) of paragraph 2 of “not more than five members ” for “three members”,
(b) by the insertion in subparagraph (1) of paragraph 3 of “(where that number is three) or by any three of their number (where that number is four or five)” after “any two of their number”.