Board of Governors of the Federal Reserve System (U.S.), 1935-. "Federal Reserve Board publishes its biennial report on debit card transactions, which summarizes information collected from large debit card issuers and payment card networks" in Press Releases of the Board of Governors of the Federal Reserve System (December 19, 2025). https://fraser.stlouisfed.org/title/9237/item/731727, accessed on September 11, 2026.