1. On 27 September 2000, the Secretary-General of ICSID registered a notice for the initiation of arbitration proceedings, lodged by Waste Management Inc. (“Claimant”) pursuant to Article 2 of the ICSID Arbitration (Additional Facility) Rules, in relation to a claim against the United Mexican States (“Respondent”). The claim arises out of a dispute concerning the provision of waste management services under a concession granted by the Municipality of Acapulco de Juarez in the Mexican State of Guerrero. Claimant alleges that certain conduct of Mexican organs or entities, including the Municipality and the State, was a violation of NAFTA Articles 1105 and 1110.