France was ahead of the UK when in 1999 it created the “PaCS” or “Pacte Civil de Solidarité”. The PaCS is open to same-sex couples or heterosexual couples. It is a contract designed to regulate the life of the couple and with a primary responsibility of providing each other with mutual and material aid and dealing with the payment of joint living expenses.

Family_Same_sex_couples_purchasing_property_in_France_February_2010.pdf