his dispute concerns the situation in which the Claimants, 137 individual nationals of Canada, assert separate and distinct claims against Costa Rica for injuries to their alleged individual investments as a result of various breaches of domestic and international law, in particular the Agreement between the Government of the Republic of Costa Rica and the Government of Canada for the Protection and Promotion of Investment, signed on March 18, 1998, in force since September 29, 1999 (hereinafter referred to as “the BIT” or “the Canada-Costa Rica BIT”). Costa Rica is a Contracting Party to the Convention on the Settlement of Investment Disputes between States and Nationals of Other States, signed in Washington in 1965 (the “ICSID Convention”). As Canada is not a Party to the ICSID Convention, Schedule C of the Rules Governing the Additional Facility for the Administration of Proceedings (hereinafter referred to as “Additional Facility,”) shall apply as provided by Article XII 4(b) of the BIT.