Commission Delegated Regulation (EU) 2025/1265 of 1 July 2025 supplementing Regulation (EU) No 575/2013 of the European Parliament and of the Council with regard to regulatory technical standards specifying the method for identifying the main risk driver of a position and for determining whether a transaction represents a long or a short position as referred to in Articles 94(3), 273a(3) and 325a(2)