From "Six Charlies in Search of an Author", The Goon Show, first broadcast on the BBC on December 26, 1956:
Minister: "I now pronounce you Neddie Seagoon and you Gladys Minkwater man and wife - and leave you to discover which is which."
Thank you David. I've revised the wording to provide, "Spousal written consent will be required if you have been married or shacked up with a partner of indeterminate gender for at least one year."