Article 6a 3.

Notwithstanding paragraph 1 and without prejudice to the obligations of other Member States to fill the underground gas storage facilities concerned, the filling target for each Member State in which the underground gas storage facilities are located shall be reduced by the volume which was supplied to third countries during the reference period 2016 to 2021 if the average volume supplied was more than 15 TWh per year during the gas storage withdrawal period (October – April).