In this Act " internal law " in relation to any country means the law applicable in a case where no question arises as to the law in force in any other country.

In any case where the internal law of a country falls to be ascertained for the purposes of this Act by any court and there are in force in that country two or more systems of internal law, the relevant system shall be ascertained in accordance with any rule in force throughout that country indicating which of the systems is relevant in the case in question or, if there is no such rule, shall be the system appearing to that court to be most closely connected with the case.