As previously indicated, the USA's response is advanced both on jurisdictional grounds and on the merits,as to both fact and law.As also indicated above,the Tribunal decided in the partial Award and its order of 2 june 2003 following the procedural meeting march 2003,that it was mot possible to decide to the USA 's extant jurisdictional objections without also hearing the factual evidence relating to Methanex ,s Claim (excepting quantum) .Accordingly ,in this award,the Tribunal addresses the Disputing Parties' respective cases on jurisdiction and the merits in the conjoined procedure provided in Article 21(4) of the UNCITRAL Rules