Board of Governors of the Federal Reserve System (U.S.), 1935-. "Federal Reserve Board announces expanded operating days of two large-value payments services, Fedwire® Funds Service and the National Settlement Service (NSS), to include Sundays and weekday holidays" in Press Releases of the Board of Governors of the Federal Reserve System
(October 9, 2025).
https://fraser.stlouisfed.org/title/9237/item/731686, accessed on September 16, 2026.