3.Each operator of a stationary installation with a significant capacity extension pursuant to Article 20 of Decision 2011/278/EU shall be entitled to use international credits during the period from 2008 to 2020 up to the amount allowed to it in the period from 2008 to 2012, or to an amount corresponding to a maximum of 11 % of their allocation during the period from 2008 to 2012, or up to a maximum of 4,5 % of their verified emissions during the period from 2013 to 2020, whichever is the higher.