English is the official language of the WTO, as per Article IX of the Marrakesh Agreement Establishing the World Trade Organization.

French and Spanish are the two other languages that are used in WTO dispute settlement proceedings, as per Article IX of the Marrakesh Agreement.

A party to a WTO dispute settlement proceeding can request that the proceedings be conducted in a language other than English, French, or Spanish if its official language is not English, French, or Spanish, as per Article IX of the Marrakesh Agreement.

The role of the interpreters in WTO dispute settlement proceedings is to translate the statements of the parties into the official languages of the WTO, as per Article IX of the Marrakesh Agreement.

The role of the Secretariat in WTO dispute settlement proceedings is to provide administrative support to the panel, as per Article IX of the Marrakesh Agreement.

The role of the panel in WTO dispute settlement proceedings is to hear the arguments of the parties, make findings of fact and law, and issue a ruling on the dispute, as per Article IX of the Marrakesh Agreement.

The role of the Appellate Body in WTO dispute settlement proceedings is to review the rulings of the panel, as per Article IX of the Marrakesh Agreement.

The role of the Dispute Settlement Body (DSB) in WTO dispute settlement proceedings is to oversee the dispute settlement process, adopt the rulings of the panel and the Appellate Body, and enforce the rulings of the panel and the Appellate Body, as per Article IX of the Marrakesh Agreement.

The role of the Director-General in WTO dispute settlement proceedings is to appoint the members of the panel, as per Article IX of the Marrakesh Agreement.

The role of the members of the panel in WTO dispute settlement proceedings is to hear the arguments of the parties, make findings of fact and law, and issue a ruling on the dispute, as per Article IX of the Marrakesh Agreement.

The role of the members of the Appellate Body in WTO dispute settlement proceedings is to review the rulings of the panel, as per Article IX of the Marrakesh Agreement.

The role of the Secretariat in WTO dispute settlement proceedings is to provide administrative support to the panel, as per Article IX of the Marrakesh Agreement.

The role of the Dispute Settlement Body (DSB) in WTO dispute settlement proceedings is to oversee the dispute settlement process, adopt the rulings of the panel and the Appellate Body, and enforce the rulings of the panel and the Appellate Body, as per Article IX of the Marrakesh Agreement.

The role of the Director-General in WTO dispute settlement proceedings is to appoint the members of the panel, as per Article IX of the Marrakesh Agreement.

The role of the members of the panel in WTO dispute settlement proceedings is to hear the arguments of the parties, make findings of fact and law, and issue a ruling on the dispute, as per Article IX of the Marrakesh Agreement.