INTM267734 | Foreign banks trading in the UK through permanent establishments: The approach in determining an adjustment to funding costs - STEP 2: Risk weighting the assets - the Basel II regulatory regime: Pillar 1 - credit risk
From HM Revenue & Customs · International Manual
The credit risk component can be calculated under one of three different approaches, which have varying degrees of sophistication:
The Standardised Approach (TSA)
The Foundation Internal Rating Based (IRB) Approach
The Advanced IRB Approach