Article L423-6 of the French Code governing the entry and residence of foreign nationals and the right of asylum
A foreign national who has been married to a French national for at least three years will be issued with a ten-year residence permit provided that he or she has been legally resident in France for three years and that the spouses have not ceased living together since the marriage, that the spouse has retained French nationality and, where the marriage was celebrated abroad, that it was previously transcribed into…