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MICR

MICR is the abbreviation for Magnetic Ink Character Recognition, which is an automatic data entry system employing a special font used primarily on checks and other banking documents. MICR numbers are printed in a special ink comprised largely of highly magnetic iron oxide particles. The magnetized ink allows the documents to be sorted by machine instead of by hand. The font for MICR is called E13B and contains 14 characters. To facilitate reading/sorting and reduce rejections, MICR characters must be printed with exacting specifications.

Here are some links you may find useful:

Check Standards
Information on Ordering U.S. Check Standards
Information on Ordering Canadian Check Standards
Canadian Standards for Checks—Specifications for Imageable MICR-Encoded Checks and Other MICR-Encoded Documents


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