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From My Readers
A reader asked why ATMs can't warn customers that a not-on-us withdrawal is using their overdraft. The short answer: BKM currently works only with the available limit, and banks include the overdraft in it.
Merchant & POS
For a transaction to go through clearing, the card-issuing bank and the merchant bank must be different. If they are the same, the transaction is not subject to clearing and is processed directly by the bank.
ATM
Did you know that when a transaction is attempted with another bank's card at an ATM, the PIN check happens not when the card is inserted, but when the transaction is sent for authorization? (Deposits are the exception.)
Merchant & POS
Open authorization covers the period between authorization, POS batch close, the bank's end-of-day process, and clearing. Learn which steps allow cancellation versus refund, and what a cardholder should do.
Merchant & POS
When a chip card transaction is made at a POS, it may be approved by the card and the POS alone, without reaching any system (issuer or acquirer). When do the issuer and acquirer find out about it?
Online & Authorization
A contactless transaction is a fast, secure payment made without direct contact between the card and the POS terminal (without reading the chip or magnetic stripe). Can every card be used for contactless payments? For a transaction to be contactless…
Merchant & POS
With advances in technology, mobile phones can now be used for many functions besides calls and internet access. One such innovation is the ability to use smartphones or tablets as POS devices.
Credit Card
In the standard authorization flow, the transaction is initiated by the acquirer (POS bank) and forwarded to the issuer (card-issuing institution). The process is completed once the issuer responds. However, this isn't always possible; when the issuer fails to respond, BKM steps in...