Arbitral tribunal

Arbitral tribunal

An arbitral tribunal (or arbitration tribunal) is a panel of one or more adjudicators which is convened and sits to resolve a dispute by way of arbitration. The tribunal may consist of a sole arbitrator, or there may be two or more arbitrators, which might include either a chairman or an umpire. The parties to a dispute are usually free to agree the number and composition of the arbitral tribunal. In some legal systems, an arbitration clause which provides for two (or any other even number) of arbitrators is understood to imply that the appointed arbitrators will select an additional arbitrator as a chairman of the tribunal, to avoid deadlock arising. Different legal systems differ as to how many arbitrators should constitute the tribunal if there is no agreement. [Under the UNCITRAL Model Law on International Commercial Arbitration (adopted by various countries around the world), the default number is three (Article 10(2)). However, some countries have provided that the default number is one (see for example, section 15(2) of the Arbitration Act 1996 of the United Kingdom.]

Arbitral tribunals are usually constituted (appointed) in two types of proceedings:
* "ad hoc" arbitration proceedings are those in which the arbitrators are appointed by the parties without a supervising institution, relying instead on the procedural law and courts of the place of arbitration to resolve any differences over the appointment, replacement, or authority of any or all of the arbitrators; and
* institutional arbitration proceedings are those in which the arbitrators are appointed under the supervision of professional bodies providing arbitration services, such as the New York-based American Arbitration Association (which conducts international proceedings through its Dublin-based branch, the ICDR), the LCIA in London or the ICC in Paris. Although these institutions (and many others) are headquartered in their respective cities, they are capable of supervising the appointment of arbitral tribunals in nearly any country, avoiding the need for the parties to involve local courts and procedures in the event of disagreement over the appointment, replacement, or authority of any or all of the arbitrators.

Permanent tribunals tend to have their own rules and procedures, and tend to be much more formal. They also tend to be more expensive, and, for procedural reasons, slower. [For example, all arbitral awards issued by the ICC have to be reviewed internally before being handed down, which helps certainty and improves the quality of awards, but leads to delay and expense.]


The parties are generally free to determine their own procedure for appointing the arbitrator or arbitrators, including the procedure for the selection of an umpire or chairman. [See for example, Article 11(2) of the UNCITRAL Model Law on International Commercial Arbitration and section 16(1) of the Arbitration Act 1996 of the United Kingdom.] If the parties decline to specify the mode for selecting the arbitrators, then the relevant legal system will usually provide a default selection process. Characteristically, appointments will usually be made on the following basis:

* If the tribunal is to consist of a sole arbitrator, the parties shall jointly appoint the arbitrator not later than (for example) 28 days after service of a request in writing by either party to do so.

* If the tribunal is to consist of three arbitrators:

:# each party shall appoint one arbitrator not later than (for example) 14 days after service of a request in writing by either party to do so, and:# the two so appointed shall forthwith appoint a third arbitrator as the chairman of the tribunal.

* If the tribunal is to consist of two arbitrators and an umpire-:# each party shall appoint one arbitrator not later than (for example) 14 days after service of a request in writing by either party to do so, and:# the two so appointed may appoint an umpire at any time after they themselves are appointed and shall do so before any substantive hearing or forthwith if they cannot agree on a matter relating to the arbitration.

Most arbitration clauses will provide a nominated person or body to select a sole arbitrator if the parties are unable to agree (for example, the President of the relevant jurisdiction's Bar Association, or a recognised professional arbitration organisation such as the LCIA, or a relevant professional organisation). In default of such a provision, where the parties are unable to agree, an application for an appointment is usually made to the court. [See for example, Article 11(3) of the UNCITRAL Model Law on International Commercial Arbitration and section 18 of the Arbitration Act 1996 of the United Kingdom.]

A well drafted arbitration clause will also normally make provision for where a party to the dispute seeks to cause delay by refusing to make or agree an appointment. Often this will allow the "non-defaulting" party to appoint a sole arbitrator and for the arbitration to proceed on that basis. [Often reinforced by the law, see for example, section 17 of the Arbitration Act 1996 of the United Kingdom]

Chairman and umpire

Where the tribunal consists of an odd number of arbitrators, one of them may be designated as the umpire or chairman. The selection of title actually carries some significance. When an arbitrator is "chairman", then they will not usually exercise any special or additional powers, and merely have a presidential function as the tribunal member who sets the agenda. [Although in some cases the Chairman will have a casting vote if the tribunal is unable to agree on a matter.] Where a member of the tribunal is an umpire, they usually do not exercise any influence on proceedings, unless the other arbitrators are unable to agree — in such cases, then the umpire steps in and makes the decision alone.

Arbitrator advocates

In some legal systems, it is common for each party to the dispute to appoint an arbitrator and for those two arbitrators to appoint a third arbitrator (who may or may not be called an umpire). However, the two arbitrators appointed by the parties to the dispute would essentially act as advocates for the party who appointed them, and the umpire would effectively act as a sole arbitrator. However, such systems can lead to difficulty, as other countries may be reluctant to enforce an arbitration award where two of the three "arbitrators" are clearly unable to demonstrate impartiality or independence.


In most legal systems the parties are free to specify in what circumstances the appointment of an arbitrator may be revoked. In default most legal systems provide either that (i) the parties to the dispute must act jointly to remove an arbitrator, or (ii) the other members of the arbitral tribunal must act to remove the arbitrator, and/or (iii) the court must act to remove an arbitrator. Most legal systems reserve a power to the court to remove arbitrators who are unfit to act, or are not impartial.


It is generally accepted that one cannot force a person to continue as an arbitrator against their will, and arbitrators may resign if they are unwilling to proceed with the arbitration. Where the arbitrator becomes aware of facts that might be seen to affect his or her impartiality, they are often under a duty to resign. The parties are generally free to agree with the arbitrator what should happen with respect to (i) the arbitrator's fees, and (ii) any liability of the arbitrator (such as wasted costs), if the arbitrator should resign, with or without cause.


The authority of an arbitrator is personal, and an appointment ceases upon death.

Unless the parties have otherwise provided, the death of a party does not usually revoke the appointment of any arbitrator appointed by the deceased, and any agreement relating to the appointment is enforceable in the usual way against the personal representatives of the deceased.

Filling a vacancy

If a vacancy arises (through resignation or death, or otherwise) then the parties are free to agree:
# whether, and if so, how, the vacancy shall be filled
# whether, and if so, to what extent, the previous proceedings shall stand
# what effect, if any, the arbitrator's ceasing to hold office has on any appointment or order made by that arbitrator (alone or jointly)

Most legal systems provide that, in default of agreement, a new arbitrator shall be appointed using the provision for appointments which applied to the original arbitrator that has vacated office; [See for example, Article 15 of the UNCITRAL Model Law on International Commercial Arbitration and section 27 of the Arbitration Act 1996 of the United Kingdom.] the tribunal itself (once reconstituted) should determinate whether, and if so, to what extent, previous proceedings stand; and the appointments and orders made by the previous arbitrator are unaffected.

Fees and expenses

The parties may make provision for the arbitrator's fees (although in some jurisdictions, whether the parties are agreeing to submit an existing dispute to arbitration, they may not provide that each party bears its own costs). However, the position may be different between, on the one hand, as between the arbitrators and the parties, and on the other hand, as between the parties themselves.

Although the parties may provide differently in the appointment of the arbitrator, the usual rule is that the parties are jointly and severally liable for the arbitrator's fees. If the arbitrator is not paid, then they may sue either or both parties for unpaid fees. [In some jurisdictions this is mandatory, see for example section 28 of the Arbitration Act 1996 of the United Kingdom]

In many jurisdictions, after making the award, the tribunal will order that the losing party pays the legal costs of the winning party, and this may include the arbitrator's fees. However, this does not affect the joint and several liability referred to above; but it does mean that the winning party may maintain a separate action against the losing party for the unpaid costs, or to be reimbursed for arbitrator's fees that the winning party has been forced to pay, but which the losing party was ordered to pay.

Immunity from suit

It is generally accepted that an arbitrator is not liable for anything done or omitted to be done in the discharge of his or her duties as an arbitrator unless bad faith is shown. At common law this point was thought to have been left open, [See "Sutcliffe v Thackrah" [1974] AC 727 and "Arenson v Aresnon" [1977] AC 405] but in most jurisdictions it is accepted that arbitrators should enjoy immunity provided that they act in good faith in the same manner (and for much the same reasons) as judges, and some jurisdictions have clarified this by statute. [See for example, section 29 of the Arbitration Act 1996 of the United Kingdom and section 28 of the International Arbitration Act 1974 of Australia]


In most legal systems, the arbitral tribunal is able to rule upon its own jurisdiction (often referred to as the doctrine of "Kompetenz-Kompetenz" in international law). Briefly, this enables the arbitral tribunal to determine for itself whether:

# an arbitration agreement is valid,
# whether the tribunal has been properly constituted under applicable law, and
# what matters are to be determined by the arbitration under the agreement.

The doctrine, although continental in origin, has been recognised at common law, [See "Christopher Brown Ltd v Genossenschaft Osterreichischer Waldbesitzer R GmbH" [1954] 1 QB 8] and has now been widely codified into national law. [See for example, Article 16 of the UNCITRAL Model Law on International Commercial Arbitration and section 30 of the Arbitration Act 1996 of the United Kingdom.]


An "arbitration hearing" can be either procedural or evidentiary. As in court systems, a "procedural hearing" focuses exclusively on how the proceedings are to be conducted. By contrast, an "evidentiary hearing" is the equivalent to what in the courts of many countries would be called a trial, with the presentation of evidence in the form of documents and witnesses. Although evidentiary hearings are generally available as a means to assist the arbitral tribunal in deciding contested factual issues, arbitration rules do not usually require them and leave the means of decided disputed factual issues to the discretion of the tribunal. Many decisions of arbitral tribunals are made without any hearing at all.

Where it may be appropriate to do so, arbitral tribunals can make decisions solely upon documentary evidence, which may or may not be accompanied by witness statements, which in the US are referred to as affidavits. Witness statements represent the testimony a witness would give if called to testify, and on which the witness is subject to questioning by the arbitral tribunal and, at times, cross examination by the other party.

Specific types of arbitration, for example, may rely exclusively on documents to decide disputes, such as in the growing field of online dispute resolution. In addition, some organizations, may specifically provide provide as part of their organizational bylaws or standard terms and conditions that disputes shall be arbitrated without an oral hearing and upon documentary evidence only, an example being certain trade associations, such as GAFTA


The duties of a tribunal will be determined by a combination of the provisions of the arbitration agreement and by the procedural laws which apply in the seat of the arbitration. The extent to which the laws of the seat of the arbitration permit "party autonomy" (the ability of the parties to set out their own procedures and regulations) determines the interplay between the two.

However, in almost all countries the tribunal owes several non-derogable duties. These will normally be:
* to act fairly and impartially between the parties, and to allow each party a reasonable opportunity to put their case and to deal with the case of their opponent (sometimes shortened to: complying with the rules of "natural justice"); [See for example Article 18 of the UNCITRAL Model Law on International Commercial Arbitration] and
* to adopt procedures suitable to the circumstances of the particular case, so as to provide a fair means for resolution of the dispute. [For example, in England these are codified in section 33 of the Arbitration Act 1996]


Matters of procedure are normally determined either by the law of the seat of the arbitration, or by the tribunal itself under its own inherent jurisdiction (depending on national law). Procedural matters normally include:
* mode of submitting (and challenging) evidence
* time and place of the hearing
* language and translations
* disclosure of documents and other evidence
* use of pleadings and/or interrogatories
* use of legal advisors
* the appointment of experts and assessors


Provisions relating to appeals vary widely between different jurisdictions, but most legal systems recognise that the right to appeal (or, technically, the right to seek to set aside) an award in an arbitration should be limited.

Usually such challenges are made on one of two bases:
# that the tribunal did not have substantive jurisdiction to determine the matter; or
# there was a serious irregularity on the part of the tribunal. Examples of serious irregularities may include:
## failure of the tribunal to act in accordance with the rules of natural justice, or allowing a fair hearing;
## the tribunal exceeding its powers (other than by exceeding its jurisdiction);
## failure of the tribunal to conduct proceedings in accordance with the procedure agreed by the parties;
## failure of the tribunal to deal with all the issues put to it for resolution;
## uncertainty or ambiguity as to the effect of the award;
## the award being procured by fraud, or otherwise being procured in a way contrary to public policy;
## failure to comply with the requirements for the form of the award (eg. in writing or in a specific language);
## irregularities in the conduct of the proceedings.

In some jurisdictions it is also possible to appeal against an award on a point of law, however, such appeals normally require either the permission of the other parties, or the leave of the court. [See for example section 69 of the Arbitration Act 1996 of the United Kingdom]

pecialised Institutes of Arbitration

Specialised arbitration organizations have been formed in order to settle disputes in the matter of specialised issues, they work in only a very limited field but are highly specialised in the work they do. For this purpose they have made a special rules, procedures and regulations which they follow during the proceedings of arbitration. These institutions prove very useful in the cases where a very deep and specialised knowledge is needed in settlement, which in turn can be cost effective and time saving.

Such specialised institutions include:
# Arbitration and Mediation Center, WIPO
# Center for Effective Dispute Resolution
# German Maritime Arbitration Association
# Maritime Arbitration Association of the United States
# Tokyo Maritime Arbitration Association

ee also

*Arbitration award
*Chartered Institute of Arbitrators
*International Arbitration
*London Court of International Arbitration
*UNCITRAL Model Law on International Commercial Arbitration

External links

* [ Arbitration Act 1996 (United Kingdom)]
* [ UNCITRAL Model Law on International Commercial Arbitration (English text)]
* [ Maritime Arbitration Association of the United States]


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