(1) Nothing in section 31 or 36 shall prevent the parties to an international hire-purchase agreement from negativing or varying any right, duty or liability which would otherwise arise by implication of law under sections 26 to 29.
(2) In subsection (1) "international hire-purchase agreement" means a hire-purchase agreement made by parties whose places of business are in the territories of different States and in the case of which one of the following conditions is satisfied: (a) the agreement involves the hire of goods which are at the time of the conclusion of the agreement in the course of carriage or will be carried from the territory of one State to the territory of another; or (b) the acts constituting the offer and acceptance have been effected in the territories of different States; or (c) delivery of the goods is to be made in the territory of a State other than that within whose territory the acts constituting the offer and the acceptance have been effected.