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ATM
ATM devices were originally designed for customers to withdraw cash from their accounts. But since many transactions are now possible through ATMs (for example, deposits), many improvements have been made for more effective ATM use. One of the most important examples is Recycle ATMs.
ISO 8583
F37 - RETRIEVAL REFERENCE NUMBER: a 12-digit alphanumeric value generated by the Acquirer that initiates the transaction. It must be printed on the POS receipt or ATM slip. RRN is the reference number that allows a transaction to be located.
ISO 8583
DE 95, Replacement Amounts, shows the transaction amount information in full or partial reversals. Here are its subfields and how it relates to F4.
ATM
ATMs are among the channels banks use most to serve customers. Besides being one of the most important channels, because they physically dispense cash and give access to a customer's account, many fraud cases occur at ATMs.