A document that is often quoted on the matter to is the Montevideo Convention (1933), Article 1 of which states:
Article 3 of the Convention declares that statehood is independent of recognition by other states. In contrast, recognition is considered a requirement for statehood by the constitutive theory of statehood.
A similar opinion about "the conditions on which an entity constitutes a state" is expressed by the European Economic Community Opinions of the Badinter Arbitration Committee. The Committee found that a state was defined by having a territory, a population, and a political authority. The committee also found that the existence and disappearance of states was a question of fact, while the recognition by other states was purely declaratory.