Federal Reserve Bank of Dallas. "FFIEC Information Security Booklet : SR Letter 04-17 with Attachment, Notice 06-39," District Notices (Federal Reserve Bank of Dallas) (August 1, 2006). https://fraser.stlouisfed.org/title/5569/item/615620/content/pdf/frbdallas_circ_20060801_no2006-39_sr04-17, accessed on March 16, 2026.