APG 113

Capital Adequacy: Internal Ratings-based Approach to Credit Risk

APRA practice guide — Capital Adequacy: Internal Ratings-based Approach to Credit Risk.

Source: https://www.apra.gov.au/sites/default/files/2024-10/APG%20113%20Capital%20Adequacy%20Internal%20Ratings-based%20Approach%20to%20Credit.pdf. Rules Mate indexes + summarises; always verify against the regulator's live publication.