The conversation between human and AI assistant.
[|Human|] Given this paragraph about the Republic of Finland becoming a member of the North Atlantic Treaty Organisation (NATO) what year did it start a formal relations with NATO?
[|AI|] Finland has started the formal relationship with NATO in 1994 when it joined the Partnership for Peace program. However it wasn't a NATO member up until April 4 2023 when it became an official member of NATO.
[|Human|] 
Given this paragraph about the Republic of Finland becoming a member of the North Atlantic Treaty Organisation (NATO) what year did it start a formal relations with NATO?