QUOTE(swn525 @ Jul 11 2018, 10:52 PM)
Pump petronas just now, i pump RM20.02, but why deduct me RM200 in app?
this preauthorization was more "transparent" before pin&pay initiative. mostly ppl uses cc to pump.
when p&p started, we all were forced to debit card whereby it's more obvious whereby the pre-auth amount
seemed to be deducted from DC/account.
if you browse each bank's website about Pin&Pay, there is literature explaining this behavior. it's more of education and public awareness.
sample from UOB
https://www1.uob.com.my/assets/pdf/pin_n_pay_faq.pdfQUOTE
Card Pre-authorization at petrol station self-service pump
23. What happens when I use my credit or debit card at a self-service pump?
When you use your card at a self-service pump (automated fuel dispenser) at a petrol station, the self-service pump will authorise the fuel transaction before you can start pumping fuel into your vehicle. This is performed by sending a preauthorisation amount on the payment card to your card issuer.
24. What is a pre-authorisation?
A pre-authorisation is a temporary hold of a specific amount from the available balance on the payment card. It is used to verify that the card is active and has sufficient available funds prior to dispensing fuel.
25. What amount will be pre-authorised on my card when using a self-service pump?
Because the pre-authorisation must happen before the fuel is pumped, the actual amount of fuel pumped is not yet known at the time of the pre-authorisation. The agreed pre-authorisation amount at self-service pumps in Malaysia is set to RM200.
26. What if the amount of fuel pumped is less than the pre-authorised amount?
The amount of the pre-authorisation is not a charge and no funds are debited from the card account, but the available balance on the card is temporarily reduced by the pre-authorisation amount. Once you have completed pumping fuel, the actual amount for the fuel dispensed will be sent to your issuing bank. At this point the actual amount will be debited from the card account, and the pre-authorisation amount is cleared. However, this may take 3–4 business days after the fuel was dispensed and the pre-authorisation was generated
27. What if my available funds are less than RM200 or if I want to avoid a RM200 hold of funds on my card?
Customers who want to avoid a pre-authorization at self-service pumps are advised to go to the cashier where the exact purchase amount would be deducted from the cardholder’s account.