The derogations provided for in Articles 1 and 2 shall also apply in the Member States concerned for the purpose of calculating the periods of 26, 35 and 10 calendar days, respectively, after the final date of submission of the single application, aid application or payment claims and the final date for notification of amendments as referred to in Articles 11(4) and 15(2a) of Implementing Regulation (EU) No 809/2014.