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# Payment rules

> This reference lists payment rule settings in the Settings API and their corresponding texts in the Zuora UI.

This reference lists payment rule settings in the Settings API and their corresponding texts in the Zuora UI.

API Key: `PaymentRules`

UI Location: **Payment rule settings entry**

| API field name                     | UI text                                                                         |
| ---------------------------------- | ------------------------------------------------------------------------------- |
| enableCreditCardDateValidation     | Validate credit card expiration date?                                           |
| enableTransactionFutureDateFeature | Enable future dated credit balance adjustment?                                  |
| enableCBRefundInGR                 | Support refunding payments from the credit balance with Gateway Reconciliation? |
| enableCustomPaymentNumber          | Allow custom payment number input during payment creation                       |
| enableUnapplyWhenCancelPayment     | Unapply payment first when canceling it?                                        |