Article 1(2)
"Contracting Party" means a state or Regional Economic Integration Organisation which has consented to be bound by this Treaty and for which the Treaty is in force.
From Basic Protocol (20/08/91) to BP 2 (11/09/91): Article 1.1(b) - Definitions
From BA 4 (31/10/91) to ECT as adopted (17/12/94): Article 1.2 - Definitions
Antin Infrastructure Services Luxembourg S.à.r.l. and Antin Energia Termosolar B.V. v. Kingdom of Spain, ICSID Case No. ARB/13/31
Award, 15 June 2018, paragraphs 208-210
Final Award, 27 December 2016, paragraph 280
Award, 4 May 2017, paragraph 182
Final Award, 14 November 2018, para 205
Interim Award on Jurisdiction and Admissibility, 30 November 2009, paragraph 385
Decision on Jurisdiction, 6 July 2007, paragraph 110
Award, 16 May 2018, paragraph 316
Decision on Jurisdiction, 8 February 2005, paragraph 123
Vattenfall A.B and others v. Federal Republic of Germany, ICSID Case No. ARB/12/12
Decision on the Achmea Issue, 31 August 2018, paragraphs 174