The Petitioners are three Tanzanian-based legal non-governmental organizations (NGOs) and two internations NGOs. Acting collectively, they are seeking the following orders of the Tribunal in the present arbitration between Biwater Gauf (Tanzania) Limited v United Republic of Tanzania, before the International Centre for Settlement of INvestment Disputes: Status as amicus curiae in the present arbitration; access to the key arbitration documents; and permission to attend the oral hearings when they take place, and to reply to any specific questions of the Tribunal on the written submissions.