2 (a) There are numerous advantages to be gained from using arbitration rather than the court system：
(i) Privacy. Arbitration tends to be a private procedure. This has the twofold advantage that outsiders do not get access to any potentially sensitive information and the parties to the arbitration do not run the risk of any damaging publicity arising out of reports of the proceedings.
(ii) Informality. The proceedings are less formal than a court case and they can be scheduled more flexibly than court proceedings.
(iii) Speed. Arbitration is generally much quicker than taking a case through the courts. Where， however， one of the parties makes use of the available grounds to challenge an arbitration award the prior costs of the arbitration will have been largely wasted.
(iv) Cost. Arbitration is generally a much cheaper procedure than taking a case to the normal courts. Nonetheless， the costs of arbitration and the use of specialist arbitrators should not be underestimated.
(v) Expertise. The use of a specialist arbitrator ensures that the person deciding the case has expert knowledge of the actual practice within the area under consideration and can form their conclusion in line with accepted practice.
(vi) Finality. Appeals on arbitration decisions are limited and once the arbitrator has reached a decision the parties are bound by it and any award can be enforced through court action.
The United Nations Commission on International Trade Law (UNCITRAL) adopted a Model Law on International Commercial Arbitration in 1985. The model law applies where the parties to an arbitration agreement have their place of business in different states， or if the parties in dispute are in the same state， where the arbitration agreement designates a different state as the place where the arbitration has to take place. In addition， of course， the dispute has to arise from a commercial relationship， that is one relating to trade， although this term is interpreted widely.
The foregoing has emphasised the advantages of arbitration over court-based proceedings， but there are alternative grounds for the parties to prefer the latter procedure. For example， judges are experts in the law and have particular expertise in evaluating evidence and the statements of witnesses. Court decisions are also taken within the framework of the doctrine of precedent and therefore are not ad hoc decisions made on a case-by-case basis， as is the situation with arbitration. It might actually be to the advantage of one of the parties to have a particular issue determined by the courts in order to set a precedent for the future. Finally it should also be mentioned that the court-based procedure allows much more scope for appeal within its structure.
(b) Article 23 of the Model Law in International Commercial Arbitration specifically refers to statements of claim and defence. As regards the statement of claim the Article provides that， within the period of time agreed by the parties or decided on by the arbitral tribunal， the claimant has to state the facts supporting their claim， the points at issue and the relief or remedy sought. In response the respondent should state his defence in respect of these particulars， unless the parties have otherwise agreed as to the required elements of such statements. In addition the parties may submit with their statements all documents they consider to be relevant or may add a reference to the documents or other evidence they will submit.
However， unless otherwise agreed by the parties， either party may amend or supplement their claim or defence during the course of the arbitral proceedings， unless the arbitral tribunal considers it inappropriate to allow such amendment having regard to the delay in making it.
Article 24 makes it clear that all statements， documents or other information supplied to the arbitral tribunal by one party shall be communicated to the other party. Also any expert report or evidentiary document on which the arbitral tribunal may rely in making its decision also has to be communicated to the parties.
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