Summary: 1. Introduction. – 1.1. International (1907 Hague Regulations) and domestic law during the period of occupation. – 1.2. National liberation uprisings against military aggression and Soviet rule. – 1.3. International crimes committed to cancel the continuity of the ADR. – 2. The Nature of International Law during the Period of Occupation. – 3. International Attitude to Russia’s Military Aggression. – 4. ADR Government in Exile and Diplomatic Missions. – 5. Constitutional Basis for the Restoration of International Legal Subjectivity of the Republic of Azerbaijan as a Continuity of the ADR. – 6. National Symbols of the ADR and the Republic of Azerbaijan: The Identity that Provides the Basis for Continuity. – 7. The Territory of the Republic of Azerbaijan (uti possidetis juris in the case of the Azerbaijan People’s Republic). – 8. Conclusions.