 Official diplomatic relations between Andorra and Spain were established after the signing of a joint "Treaty of Good Neighborhood, Friendship and Cooperation" between Andorra, France and Spain; after Andorra adopted a new constitution establishing them as a parliamentary democracy.The Bishop of Urgell acts as a co-Prince (along with the President of France) in Andorra.In 1993, Spain opened a resident embassy in Andorra la Vella.