Commission Delegated Regulation supplementing Regulation (EU) No 575/2013 of the European Parliament and of the Council with regard to regulatory technical standards specifying the calculation methods of gross jump-to-default amounts for exposures to debt and equity instruments and for exposures to default risk arising from certain derivative instruments, and specifying the determination of notional amounts of instruments other than the instruments referred to in Article 325w(4) of Regulation (EU) No 575/2013