War and armed conflict — Effects — Diplomatic relations — Belligerents maintaining diplomatic relations during armed conflict — Armed conflict not affecting basic principles of law relating to conduct of diplomatic relations — Inviolability of mission premises and diplomatic staff — Reciprocity

Diplomatic relations — Principles — Vienna Convention on Diplomatic Relations, 1961 — Declaratory of customary international law — Fundamental principles of the law on diplomatic relations — Inviolability of mission premises and diplomatic staff — Applicability in time of armed conflict if belligerents maintain diplomatic relations

Consular relations — Principles — Vienna Convention on Consular Relations, 1963 — Declaratory of customary international law — Fundamental principles of the law on consular relations — Applicability in time of armed conflict if belligerents maintain diplomatic relations