law: Transfer of Property Act, 1882
  15. Transfer to a class, some of whom come under sections
  
  13 and 14
  If, on a transfer of property, an interest therein is created
  
  for the benefit of a class of persons with regard to some of whom such interest
  
  fails by reason of any of the rules contained in sections 13 and 14, such
  
  interest fails in regard to those persons only and not in regard to the whole
  
  class.