Thecalculation of risk-weighted assets shall be performed in accordance with the common provisions (Art. 77a–77j)and with:
the BIS SA (Art. 63–73);
the IRB (Art. 77).
The IRB and BIS SA may be combined.
Use of the IRB requires approval by FINMA.
FINMA shall issue technical implementing provisions on credit risk. It shall base these on the CRE100.