Uti possidetis /(?)/

U·ti pos·si·de·tis

Uti possidetis
  1. The basis or principle of a treaty which leaves belligerents mutually in possession of what they have acquired by their arms during the war. (Internat. Law)
  2. A species of interdict granted to one who was in possession of an immovable thing, in order that he might be declared the legal possessor. (Roman Law)