United States. General Accounting Office and United States. Government Accountability Office. "Check 21 Act : Most Consumers Have Accepted and Banks Are Progressing Toward Full Adoption of Check Truncation, Report to Congressional Committees" in GAO Reports & Testimonies (October 28, 2008). https://fraser.stlouisfed.org/title/6136/item/622219, accessed on March 19, 2025.