As of Oct. 6, 65 countrieshave agreed to participatein the 2021-2026 voluntary phaseof CORSIA:Mexico, Canada, the US, Indonesia, China, Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxemburg, Malta, the Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, the UK, Albania, Armenia, Azerbaijan, Bosnia and Herzegovina, Georgia, Iceland, Moldova, Monaco, Montenegro, Norway, San Marino, Serbia, Switzerland, Macedonia, Turkey, Ukraine, the Marshall Islands, Singapore, Japan, Malaysia, Kenya, the United Arab Emirates, New Zealand, Guatemala, SouthKorea, Australia, Thailand, Costa Rica, Papua New Guinea, Qatar and Burkina Faso.