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ANSI X9.100-160-2-2020
Magnetic Ink Printing (MICR) - Part 2 EPC Field Use
ANSI X9.100-160 Part 2 establishes external processing code (EPC) assignments and management, and specifies which MICR characters are approved by ASC X9 for use in the U.S. Payments System. Part 1 of this standard defines the location of the EPC Field.
Accredited Standards Committee, Inc. - Financial Industry Standards [ascx9]