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ACH Operator
ACH operator is the term used to describe the switching mechanism within the settlement network that provides information to the network participants. The ACH operator calculates the...
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ACH
Automated Clearing House - ACH is a reliable electronic funds transfer (EFT) system governed by National Automated Clearing House Association (NACHA).
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POS (Point-of-Sale)
A one time debit entry to the account of a receiver where the entry is initiated at an electronic terminal. POS transactions are generally initiated with a merchant issued plastic card.