Arbitration — Admissibility of claims — Ancillary and additional claims — NAFTA Article 1102 — NAFTA Article 1120(2) — Article 48 of the Additional Facility Arbitration Rules — Omission to rely on claim in notice of arbitration — Claims pre-dating NAFTA’s entry into force — Course of action continuing after NAFTA’s entry into force — Interpretation and correction of award — Interpretation and supplementary decision

Claims — Nationality of claims — Standing — Nationality and permanent residence — Definition of nationals — NAFTA Article 201

Claims — Procedure — Time limits — Meaning of “making a claim” — NAFTA Article 1117 — Receipt of claim by ICSID Secretary-General — Suspension of period of limitation — “Discouraging” a claim not a factor in suspension of period of limitation — Extension of time limits by estoppel

Economics, trade and finance — Investment protection — Denial of justice — Access to domestic courts — NAFTA Article 1110 — National treatment — Non-discrimination — NAFTA Article 1102 — Like circumstances — Less favourable treatment of foreign investors

Expropriation — NAFTA Article 1110 — Expropriation through taxation — Tax rebates for export of cigarettes — “Creeping” expropriation — Governmental regulatory activities — Expropriation and regulation