What is an unmarried partner?

What is an Unmarried Partner Relationship? Two persons living together in a relationship akin to marriage for at least two years. This definition does not include casual acquaintances or any unstable relationship in which neither of the parties have any long term intentions to live together.

How do you prove your relationship with an unmarried partner?

Bank statements from joint bank accounts, mortgage or tenancy agreements or utility bills in both names to prove shared financial responsibility. Flight bookings, statements from close family members and photographs of visits to each others countries.