ASC X9

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Accredited Standards Committee X9 Financial Industry Standards
AbbreviationASC X9
Formation1974; 52 years ago (1974)
TypeStandards setting group
PurposeDevelop standards for the Financial Services Industry
HeadquartersAnnapolis, Maryland United States
Official language
English
Chair
Roy DeCicco[1]
Vice Chair
Angela Hendershott
Executive Director
Steve Stevens
Program Manager
Janet Busch
AffiliationsAccredited by ANSI Secretariat for ISO/TC 68
Websitex9.org

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The Accredited Standards Committee X9 (ASC X9, Inc.) is an ANSI (American National Standards Institute) accredited standards developing organization, responsible for developing voluntary open consensus standards for the financial services industry in the U.S.[2][3]

ASC X9 is the USA Technical Advisory Group (TAG) to the International Technical Committee on Financial Services ISO/TC 68 under the International Organization for Standardization (ISO), of Geneva, Switzerland, and submits X9 American National Standards to the international committee to be considered for adoption as international standards or ISO standards.[4] Membership in ASC X9 is open to all U.S. domiciled companies and organizations in the financial services industry.

History

The committee was founded in 1974 under the American National Standards Institute, to develop financial industry standards following a surge in electronic banking, automated clearing, and data security needs.[5]

In 1984 it played a major role role in supporting the Check Clearing for the 21st Century Act (Check 21) through development of check image exchange and related standards.

In the 1990s it expanded its cryptography standards, developing foundational specifications for secure data exchange and public key infrastructures (e.g., X9.42, X9.73, X9.24).

In 2001, the organization was incorporated as ASC X9, Inc., transitioning from a pure ANSI committee to a non-profit industry consortium still accredited by ANSI.[6]Template:AI-retrieved source

During the 2000s and 2010s it joined with international bodies like ISO/TC 68, helping shape ISO 20022 and other global standards for payments and securities messaging.

Domestic Role

The Accredited Standards Committee X9 develops, establishes, maintains, and promotes standards for the Financial Services Industry in the United States in order to facilitate delivery of financial services and products.[7][8]

Committees

ASC X9 is composed of five Subcommittees based on Financial Services business sectors:

  • X9A – Retail Payments (including mobile payments and a card not present fraud group);
  • X9B – Checks and Back-office Operations (all things related to checks);
  • X9C – Corporate Banking (B2B payments and the Balance Transaction Reporting Standard (BTRS) standard);
  • X9D – Securities (stocks and bonds, CUSIP); and
  • X9F – Data & Information Security (methods and cryptography to secure financial data).

Standards

Examples of X9 standards commonly used today in the US and around the world are:

  • Paper and electronic check standards (X9 owns nearly 98% of the standardized real estate on the front and back of checks, the magnetic ink character record was originally developed by X9, the credit and debit card transactions standard operating all card transactions first developed under X9
  • Numerous data security standards for financial services including the "PIN" - personal identification standard in wide use today.
  • Data Encryption Standard (DES) and its successor Triple DES the current encryption security algorithm used in securing most banking transactions worldwide.

References

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  1. ^ Page Module:Citation/CS1/styles.css has no content."Sibos Conference Toronto 16-19 Oct 2017 - Roy DeCicco". www.sibos.com. September 26, 2017. Archived from the original on March 12, 2017.
  2. ^ Page Module:Citation/CS1/styles.css has no content."An Overview of Accredited Standards Committee X9". Federal Reserve Bank of Minneapolis. October 27, 2014. p. 3.
  3. ^ Page Module:Citation/CS1/styles.css has no content."X9 Creates New Open Forum Focused on Reducing Check Fraud". Business Wire. April 2, 2025.
  4. ^ Page Module:Citation/CS1/styles.css has no content."List of SDOs that operate TAGS for ANSI" (PDF). p. 41. Archived from the original (PDF) on 2017-03-12.
  5. ^ Page Module:Citation/CS1/styles.css has no content."The History of X9". ASC X9. Retrieved July 7, 2025.
  6. ^ Page Module:Citation/CS1/styles.css has no content."X9: Accredited Standards Committee X9, Inc". ANSI. Retrieved July 7, 2025.
  7. ^ Page Module:Citation/CS1/styles.css has no content."New X9 Forum, Open to All, Will Determine Best Path To Modernize USDA SNAP/Food Stamp Cards". Business Wire. June 29, 2023.
  8. ^ Page Module:Citation/CS1/styles.css has no content."ASC X9 Publishes U.S. Standard for the Financial Instrument Global Identifier". Bloomberg. September 15, 2021.

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