Article 4
Each Contracting Party retains the right to determine the conditions to be fulfilled by persons who may represent or assist the parties before the arbitral tribunal and, to that end, to amend the provisions of paragraph 4 of Article 16 of the uniform law.
Article 5
Each Contracting Party may:
1. regard notification within the meaning of paragraph 1 of Article 28 of the uniform law as implying either notification as provided for in paragraph 1 of Article 23 of the uniform law, or service, and, in particular, service by one party on another party;
2. regard notification under paragraphs 1 and 3 of Article 30 of the uniform law as implying either notification by the authority which has opposed the enforcement formula to the award or service, and, in particular, service by one party on another party.
The Contracting Party may, if need be, replace the words "give notice to", "notified" and "notification" by the appropriate technical terms.
It shall inform the Secretary General of the Council of Europe of its choice.
Article 6
Each Contracting Party may provide that the enforcement formula within the meaning of paragraph 1 of Article 29, Article 30 and paragraph 1 of Article 31 of the uniform law shall consist of an authorisation to enforce or of any other legal process which, under its law, enables an award to be enforced.
Article 7
Each Contracting Party shall have the right, in its law, to make provision for and to regulate the provisional enforcement of arbitral awards which are still appealable before arbitrators.
Article 8
1. Each Contracting Party may, when signing this Convention or depositing its instrument of ratification, acceptance or accession, declare that it avails itself of one or more of the reservations set forth in Annex II to this Convention. No other reservation shall be admissible.
2. Each Contracting Party may, at any time, by means of a notification addressed to the Secretary General of the Council of Europe, withdraw, wholly or in part, a reservation made by it under the preceding paragraph; the notification shall take effect on the date of its receipt.