Federal Reserve Bank of Dallas. "Final Guidance on Nontraditional Mortgage Product Risks : Addendum, Notice 06-51," District Notices (Federal Reserve Bank of Dallas) (October 4, 2006). https://fraser.stlouisfed.org/title/5569/item/616186/content/pdf/frbdallas_circ_20061004_no2006-51_addendum, accessed on September 7, 2026.