On 2 August 2005, the Claimant, Biwater Gauff (Tanzania) Ltd. ("BGT") filed a request for arbitration with respect to a dispute with the Respondent, the United Republic of Tanzania ("the UROT") arising out of a series of alleged breaches by the UROT of its obligations under both international and domestic law concerning foreign investment which, according to BGT, are said to have caused loss to BGT in the region of US$20 to 25 million.