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I was reading Basel II wiki page, it says:

The first pillar

The first pillar deals with maintenance of regulatory capital calculated for three major components of risk that a bank faces: credit risk, operational risk, and market risk. Other risks are not considered fully quantifiable at this stage.

The credit risk component can be calculated in three different ways of varying degree of sophistication, namely standardized approach, Foundation IRB, Advanced IRB and General IB2 Restriction. IRB stands for "Internal Rating-Based Approach".

Any idea what is such “General IB2 Restrition”? I checked the Basel II: International Convergence of Capital Measurement and Capital Standards: a Revised Framework, Comprehensive Version (BCBS) (June 2006 Revision) but couldn't find any definition.

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a good candiate for area51.stackexchange.com/proposals/74015/finreg –  RawFocus Jul 12 at 16:11
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