State responsibility — Claims — Nationality of — Extent and meaning of tax exemption provisions — Nature of extraordinary taxes — Application of taxes to United Nations nationals — Jurisdiction of Conciliation Commission — Treaty of Peace with Italy, Articles 78 (6) and 83.

Disputes — Conciliation — Conciliation Commissioners established under Peace Treaty with Italy — Jurisdiction of — Competence to interpret Treaty in particular case — Whether also competent to give abstract ruling on question of interpretation — Locus standi of British Government to request interpretation in favour of “United Nations nationals” — Treaty of Peace with Italy, 1947 (Article 83).

War — In general — Performance of treaties of peace — Provisions exempting United Nations nationals and property from certain taxes — Extent and meaning of these provisions — Application of special property taxes to United Nations nationals — Treaty of Peace with Italy, 1947 (Articles 78 (6) and 83).