42.—Where the proper law of a contract for the supply of a service in the course of a business would, apart from a term that it should be the law of some other country or a term to the like effect, be the law of Ireland or where any such contract contains a term which purports to substitute, or has the effect of substituting, provisions of the law of some other country for all or any of the provisions of sections 39 and 40, those sections shall, notwithstanding that term, apply to the contract.