In December 2017 the Basel committee finalised its work on the reform of the Basel III framework. Together with requirements already published in 2015 and 2016, the Basel committee changes all approaches for the calculation of RWA and the corresponding Pillar III disclosure rules. This package of new standards from the Basel Committee, which is unofficially called "Basel IV", is now the most comprehensive package of modifications in the history of banking supervision. The banking industry will face major challenges in implementing these new rules.<br> The second edition of the "Basel IV" handbook is updated with all publications up to March 2018 and also extensively enhanced with additional details, examples and case studies. The aim is to convince the reader that we are facing a new framework called "Basel IV" and not just a fine adjustment of the existing Basel III regulations. This book covers all new approaches for the calculation of RWA: <br> - the standardised approach (CR-SA) an