http://www.legislation.gov.uk/ukpga/2004/7/schedule/4/paragraph/4/enactedGender Recognition Act 2004PensionsKing's Printer of Acts of Parliament2021-08-04SCHEDULESSCHEDULE 4Effect on marriagePart 1England and Wales4Matrimonial Causes Act 1973 (c. 18)The Matrimonial Causes Act 1973 is amended as follows.