- Requiring banks to meet higher minimum leverage ratios;
- Emphasising simpler or standardised models, rather than banks' internal models, for calculation of capital requirements;
- More detailed disclosure of reserves and other financial statistics.
British banks alone may have to set aside another £50Bn of reserves to meet Basel 4 requirements.
Basel III's rules increased the amount of capital that banks must hold, and set a core tier 1 capital ratio of 7%. The technical implementation deadline for Basel III is 2019, but recent developments in the banking market have suggested that even stricter rules may be applied by a later framework, which has been dubbed "Basel 4". The Basel Committee on Banking Supervision released a consultative paper, seeking out views on the Committee's plan to change how capital requirements and market risks are calculated.
- "Regulators look ahead to 'Basel 4'". ICAEW. Retrieved 18 May 2014.
- "Basel 4 – Emerging from the mist". KPMG. Retrieved 18 May 2014.
- "South Africa: Basel 4 – Emerging From The Mist?". Mondaq. Retrieved 18 May 2014.
- "KPMG: UK Banks Facing New £50bn Capital Hole as 'Basel IV' Emerges". International Business Times. September 12, 2013. Retrieved 18 May 2014.
- "KPMG Warns Over £50 Billion ‘Basel 4′ Capital Hole". Moneybeat. Retrieved 18 May 2014.
- "Introducing “Basel 4”?… Basel Proposes Changes to Trading Book Market Risk Capital Requirements". Advantage Reply.