D-SIB stands for Domestic Systemically Important Bank. The designation identifies banks whose distress or disorderly failure would cause significant damage to the domestic financial system and broader economy, even if those banks are not large enough to qualify as Global Systemically Important Banks (G-SIBs).
The framework was developed by the Basel Committee on Banking Supervision (BCBS) and published in October 2012 as A framework for dealing with domestic systemically important banks. It complements the earlier G-SIB framework and was endorsed by the Financial Stability Board (FSB) and the G20 after the 2007–2008 financial crisis, when the rescue of mid-sized national lenders exposed the limits of focusing only on globally active megabanks.
Unlike the G-SIB methodology, which uses a standardized indicator-based score published by the BCBS, the D-SIB framework is principles-based. National authorities assess banks against four core factors:
- Size relative to the domestic economy
- Interconnectedness with other financial institutions
- Substitutability of the services they provide (e.g., payments, custody)
- Complexity, including cross-border activity
Designated D-SIBs are subject to a Higher Loss Absorbency (HLA) requirement, typically delivered as an additional Common Equity Tier 1 (CET1) capital buffer above Basel III minimums. They also face heightened supervision, enhanced disclosure, and recovery and resolution planning obligations.
Implementation varies by jurisdiction. The Reserve Bank of India publishes an annual D-SIB list (which has included SBI, ICICI Bank, and HDFC Bank). The Office of the Superintendent of Financial Institutions (OSFI) designates Canada's six largest banks as D-SIBs. The European Banking Authority refers to the equivalent category as Other Systemically Important Institutions (O-SIIs) under the CRD IV/CRR regime. In the United States, the closest analogue is the category of large bank holding companies subject to enhanced prudential standards under the Dodd-Frank Act.
A bank can be both a D-SIB and a G-SIB; in such cases the higher of the two capital buffers generally applies.
Example
In 2023 the Reserve Bank of India reaffirmed State Bank of India, HDFC Bank, and ICICI Bank as D-SIBs, requiring them to maintain additional CET1 capital buffers above Basel III minimums.
Frequently asked questions
G-SIBs are identified by the Basel Committee using a global indicator-based score and matter to the international financial system; D-SIBs are identified by national regulators using a principles-based assessment and matter primarily to their home jurisdiction.
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