This article covers how to force a sale with Verifone terminals.
Note: You must have processed an authorization before you can process a force sale. For more information, refer to How to process an authorization.
To force a sale, complete the following:
1. Press the green key.
2. Select Pre-Auth > Completion > STAN/INV.
3. Enter the STAN/INV number from the receipt.
4. Press the green key twice.
Note: The amount forced must be within 15% of the previously authorized amount.