Micr Fields; 1-Transit Field; 2-On-Us Field; Figure B-2. Business Checks - Magtek MICR Plus Technical Reference Manual

3.67"

MICR FIELDS

The numbers 1 through 4 refer to the numbers below the checks on the illustration and represent
the 4 MICR fields.

1-Transit Field

The Transit field is a 9-digit field bracketed by two Transit symbols. The field is subdivided as
follows:
•
Digits 1-4
•
Digits 5-8
•
Digit 9

2-On-Us Field

The On-Us field is variable, up to 19 characters (including symbols). Valid characters are digits,
spaces, dashes, and On-Us symbols. The On-Us field contains the account number and may also
contain a serial number (Check number) and/or a transaction code. Note that an On-Us symbol
must always appear to the right of the account number.
4
1

Figure B-2. Business Checks

Federal Reserve Routing Number
Bank ID Number (American Banking Association)
Check Digit
8.75"
2
Appendix B. Check Reading
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