Section 131(1) of the Principal Act is amended as follows:

(a) by omitting from paragraph (d) "he is himself or they are themselves" and substituting "the registered proprietor or registered proprietors are" ;

(b) by omitting from paragraph (d) "to his or their" and substituting "to the registered proprietor’s or registered proprietors’" ;

(c) by omitting from paragraph (g) "he shall be bound to give effect to the contract in the same manner as if he had made it himself" and substituting "the registered proprietor shall be bound to give effect to the contract in the same manner as if the registered proprietor had made the contract" .