The following Shut Off/Completion limits need to be programmed into the POS so that no purchase at the pump exceeds these limits:
| Card Type | Shut Off |
| Visa | $100.00 |
| Mastercard | $100.00 |
| American Express | $100.00 |
| Discover | $100.00 |
| Debit | $50.00 |
| Wright Express | $150.00 |
| Voyager | $150.00 |
| Visa Fleet | $150.00 |
| Mastercard Fleet | $150.00 |
| Fuelman | $150.00 |
For transaction amounts that exceed the amounts provided by Clark, issuers may chargeback the difference between the transaction amount and the limit for select chargeback reason codes. Cardholder may also receive an authorization hold on their account for the shut off amount, should it exceed these amounts.