(1) Subject to subsection (2), the circumstances in which the original purposes of a charitable gift may be altered to allow the property given or part of it to be applied cy-près shall be as follows: -

(a) where the original purposes, in whole or in part -

(i) have been as far as may be fulfilled; or

(ii) cannot be carried out, or cannot be carried out according to the directions given and to the spirit of the gift; or

(b) where the original purposes provide a use for part only of the property available by virtue of the gift; or

(c) where the property available by virtue of the gift and other property applicable for similar purposes can be more effectively used in conjunction, and to that end can suitably, regard being had to the spirit of the gift, be made applicable to common purposes; or

(d) where the original purposes were laid down by reference to an area which then was but has since ceased to be a unit for some other purpose, or by reference to a class of persons or to an area which has for any reason since ceased, either to be suitable, regard being had to the spirit of the gift, or to be practical in administering the gift; or

(e) where the original purposes, in whole or in part, have, since they were laid down -