But those wanting to take their legally recognised partners with them face a lottery.

ECONOMIST: Marriage

These have been recognised by French law as legally binding since March this year.

BBC: Screen, www.service-public.fr

"However, we do have concerns with the current version of the bill, particularly the provisions which mean that a couple legally married in England or Wales will have their relationship only recognised as a civil partnership in Northern Ireland, " he said.

BBC: Naomi Long Alliance Party MP