Section 6: Validity, etc., of certain marriages not affected.

(1) Save as expressly provided in this Part of this Act nothing in this Part shall affect the validity or invalidity of a marriage that took place before the commencement of this Act.
(2) A provision of this Act shall not affect the validity or invalidity of a marriage where it would not be in accordance with the rules of private international law to apply that provision in relation to that marriage.