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Auxiliary On-Us Field
A field on the magnetic ink character recognition (MICR) line of a check or share draft. This is an optional field that can be found to the...
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AAP
An accredited ACH professional certified by the National Automated Clearing House Association (NACHA).
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On-Us Entry
Occurs when both the receiver and originator of a transaction have depository accounts at the same depository financial institution.









