Opinion of the European Banking Authority on the implementation of the RTS on SCA and CSC[1] — European Banking Authority — “The regulatory technical standards (RTS) on strong customer authentication (SCA) and common and secure communication (CSC) underpin the new security requirements under PSD2… The EBA has decided to issue an opinion in order to respond to a number of the numerous queries the EBA and competent authorities have received from market participants and aims to provide clarity on the implementation of certain aspects of the RTS that were published.”