Article 11a 2.

they originate from a State that is a Party to the Paris Agreement at the time of use;

they originate from a State that is listed in the implementing act adopted pursuant to Article 25a(3) as participating in ICAO’s Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA). This condition shall not apply in respect of emissions released before 2027, nor shall it apply in respect of least developed countries or small island developing States, as defined by the United Nations, except for those States whose GDP per capita equals or exceeds the Union average.