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Authorisation and cancellation of transactions

Authorisation of transactions

  • If the payment system is operational and the bank responds to the inquiries of the merchant, the transactions are authorised automatically. The payment system connects with the authorisation centre and prints out the transaction receipt.
  • If the payment system is unable to automatically authorise the transaction due to technical failure of the authorisation centre or the bank and requests the authorisation code shown on the screen, call Nets Estonia AS on 671 1444 and make an oral authorisation. For that purpose, tell the following:
    • membership number of the merchant (see the number on the sticker on the terminal)
    • card number
    • expiry date of card
    • transaction amount
    • check digit of card (if available)

Nets Estonia will issue a permitting or prohibiting response code.
Enter the permitting code into the payment system and perform the transaction.

Reversal of transactions

  • If the transaction has not yet been sent to the bank, i.e. the transaction was performed on the same day, press the cancellation button on the POS-terminal. You need the payment card for reversing and the receipt number of the original transaction. Upon reversing, the payment system will print a reverse receipt, to be signed by the client or confirmed with PIN-code.
  • If the transaction has been sent to the bank, write an application for reversing the transaction in a freely chosen format and enclose the original transaction receipt. Send the application to the e-mail address of Nets Estonia AS at or a fax to number 671 1420.



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