Article 4 1.

Subject to Article 15, aviation fuel suppliers shall ensure that all aviation fuel made available to aircraft operators at each Union airport contains the minimum shares of SAF, including the minimum shares of synthetic aviation fuel in accordance with the values and dates of application set out in Annex I. Without prejudice to those minimum shares, aviation fuel suppliers shall also ensure that all aviation fuel made available to aircraft operators at each Union airport over the periods from 1 January 2030 until 31 December 2031 and from 1 January 2032 until 31 December 2034 contains at least the average shares of synthetic aviation fuels in accordance with the values set out in Annex I.