Transaction Commands may cause a transfer of funds
Authorisation (also known as "Preauthorisation) | Causes a reservation of funds on the cardholders account |
Authorisation Reversal | Unreserve the funds previously reserved on the cardholders account |
Debit (also known as "Sale" or "Purchase") | Causes a transfer of funds from the cardholder to the merchant |
Credit (also known as "Refund" or "Pay") | Causes a transfer of funds from the merchant to the cardholder |
Void | Cancel one of the above commands within a short time after the command was initiated |