Treaties — Interpretation of — Principles and rules of — Strict interpretation — Whether compatible with intention of signatories — Ascertainment of such intention.

Arbitration — The award — Appeal — Admissibility of — Charter of Arbitral Commission on Property, Rights and Interests in Germany, Article 8 ("General principles of international law and of justice and equity ").

Arbitration — Procedure — Competence — Competence to extend time-limits — Appeals submitted after expiration of time-limits — Arbitral Commission on Property, Rights and Interests in Germany.