On 1 August 2023, there was published in the Official Journal of the European Union (OJ) Commission Delegated Regulation 2023/1578 of 20 April 2023 supplementing the Capital Requirements Regulation with regard to regulatory technical standards specifying the requirements for the internal methodology or external sources used under the internal default risk model for estimating default probabilities and losses given default.

The Delegated Regulation enters into force on the twentieth day following its publication in the OJ.