Payment Glossary

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 left of the routing number. The presence of this field makes the check in-eligible to be used as a source document for accounts receivable conversion (ARC), back office conversion (BOC), and point-of-purchase (POP) entries.

Related Terms

  • BOC (Back Office Conversion)

    A BOC entry is a one time debit entry to the account of a receiver whom has, at the point of purchase, been notified that their check...

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  • Remote Deposit

    Remote deposit (or remote deposit capture) is the process of converting paper or mailed-in checks to an electronic file for processing.

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