The Foreign Marriage (Armed Forces) Order 1964
The Foreign Marriage Act 1892, section 22(1), as amended by the Foreign Marriage Act 1947, provides that marriages celebrated before a chaplain in foreign territory shall be as valid as if celebrated in the United Kingdom as long as one of the parties is a member of the naval, military or air forces of Her Majesty. Orders in Council are required to (1) prescribe the persons to whom (in addition to members of the Armed Forces) the section shall apply (2) prescribe conditions which must be complied with (3) make provisions for registration of such marriages and (4) secure that any law in force in any Dominion appearing to Her Majesty to make provisions similar to section 22 of the Foreign Marriage Act 1892 shall have effect as part of the law of the United Kingdom.