Federal Reserve Bank of Dallas. "Board Announces Final Rule on Senior Perpetual Preferred Stock Issued by BHCs to Treasury; Interim Final Rule on Subordinated Debt Issued by S-Corp and Mutual BHCs to Treasury : Regulation Y, Interim Rule, Notice 09-31,"
District Notices (Federal Reserve Bank of Dallas)
(May 27, 2009).
https://fraser.stlouisfed.org/title/5569/item/615790/content/pdf/frbdallas_circ_20090527_no2009-31_regYinterim, accessed on March 16, 2026.