(4)Article 70(2) of Regulation (EU) No 806/2014 provides that the Board is empowered to calculate the individual ex ante contributions due from all of the institutions authorised in the territories of all participating Member States, under Article 70(2) of Regulation (EU) No 806/2014, and that those annual contributions should be calculated on the basis of a single target level established as a percentage of the amount of covered deposits of all of the credit institutions authorised in all participating Member States