Board of Governors of the Federal Reserve System (U.S.), 1935-. "Rules for government securities transactions by depository institutions : Attachment 1" in Press Releases of the Board of Governors of the Federal Reserve System (March 12, 1997). https://fraser.stlouisfed.org/title/9237/item/674500/content/pdf/frsbog_pr_19970312-1, accessed on August 17, 2026.