ratings based method
46(for the purposes of BIPRU 9 (Securitisation) and in accordance with Part 1 of Annex IX of the Banking Consolidation Directive (Securitisation definitions)) the method of calculating risk weighted exposure amounts for securitisation positions set out in BIPRU 9.12.10 R-BIPRU 9.12.19 R and BIPRU 9.14.2 R.