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

The three official languages of the WTO (English, French, and Spanish) are used in the DSB meetings.

Statements made in the DSB meetings are interpreted into all three official languages of the WTO (English, French, and Spanish).

DSB reports and decisions are drafted in English, which is the official language of the WTO.

Parties to a dispute can submit their written submissions in a language other than the three official languages of the WTO, provided that they also submit a translation into one of the official languages.

The interpreters in the DSB meetings are responsible for translating statements made in one official language into the other two official languages, as well as providing simultaneous interpretation of statements made in the DSB meetings.

The interpreters for the DSB meetings are appointed by the WTO Secretariat, which is responsible for the administration of the WTO.

To be an interpreter for the DSB meetings, one must be fluent in the three official languages of the WTO (English, French, and Spanish) and have experience in interpreting in a multilateral setting.

Typically, there are three interpreters present at a DSB meeting, one for each of the three official languages of the WTO.

The language services provided by the WTO Secretariat include providing interpretation and translation services for the DSB meetings, as well as providing language training for WTO staff and delegates.

The WTO's official documents are published in the three official languages of the WTO (English, French, and Spanish).

The WTO's website is available in all three official languages of the WTO (English, French, and Spanish).

The WTO's press releases are issued in the three official languages of the WTO (English, French, and Spanish).

The WTO's dispute settlement proceedings are conducted in all three official languages of the WTO (English, French, and Spanish).

The WTO's technical assistance activities are provided in four languages: English, French, Spanish, and Arabic.