Federal Deposit Insurance Corporation. "Proposed Supervisory Guidance on Internal Ratings-Based Systems for Corporate Credit and Operational Risk : Federal Banking and Thrift Regulatory Agencies Seek Comment on Proposed Supervisory Guidance on Internal Ratings-Based Systems for Corporate Credit and on Operational Risk Advanced Measurement Approaches for Regulatory Capital, FIL-62-2003" in Inactive Financial Institution Letters (August 4, 2003). https://fraser.stlouisfed.org/title/7156/item/651989, accessed on June 14, 2025.