Pre-authorization is a temporary hold of a fixed amount. When starting a ride in the TIER app, our system will reserve this amount. Pre-authorization is used to ensure that you have enough funds on your payment method to later pay for the ride. As soon as we have confirmed the reservation, the amount will be released on to your account again. Be aware: the timeframe of this release varies from bank to bank. You can see the different pre-auth amounts right here
What is pre-authorization?
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