How to read OCC in relation of credit risk modelling

https://www.occ.treas.gov/news-issuances/bulletins/1997/bulletin-1997-24.html
May 1997 Credit Scoring Models: Examination Guidance
Appendix on validation, override, and prohibited bias (front-end and back-end monitoring!)

https://www.federalreserve.gov/supervisionreg/srletters/sr1107a1.pdf
OCC 2011-12 Supervisory Guidance on Model Risk Management (same as SR Letter 11-7)
Major part on validation, covering Outcome Analysis, Model Inventory, as well as governance such as IA role

https://ithandbook.ffiec.gov/media/resources/3676/occ-bl2000-16_risk_model_validation.pdf
OCC Bulletin to all National Bank CEO  on Model Validation

https://www.occ.treas.gov/publications-and-resources/publications/comptrollers-handbook/files/rating-credit-risk/index-rating-credit-risk.html
OCC Rating Credit Risk

https://www.federalreserve.gov/bankinforeg/basel/files/bcc1305.pdf
US Requirement for Conservatism to the Parameters in the Advanced Approaches

https://www.occ.treas.gov/news-issuances/news-releases/2007/nr-occ-2007-123b.pdf#page=68&zoom=100,0,550
OCC Guidance on Capital Adequacy Guidelines

file:///C:/Users/yeongseow/Downloads/pub-ch-sampling-methodologies.pdf
OCC Sampling Methodology (seems odd and specific to US)

https://www.occ.treas.gov/publications-and-resources/publications/comptrollers-handbook/files/retail-lending/pub-ch-retail-lending-appendix-f-ws.docx
Appendix F: Credit Risk Model Oversight and Review Checklist