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Elavon Financial Services DAC. Registered in Ireland – Number 418442.
Registered Office: Block F1, Cherrywood Business Park, Dublin 18, D18 W2X7, Ireland.
Elavon Financial Services DAC, trading as Elavon Merchant Services, is regulated by the Central Bank of Ireland.
 
Elavon Financial Services DAC. Registered in Ireland with Companies Registration Office. The liability of the member is limited. United Kingdom branch registered in England and Wales under the number BR022122.
Elavon Financial Services DAC, trading as Elavon Merchant Services, is a credit institution authorised and regulated by the Central Bank of Ireland.  Authorised by the Prudential Regulation Authority.  Subject to regulation by the Financial Conduct Authority and limited regulation by the Prudential Regulation Authority.  Details about the extent of our regulation by the Prudential Regulation Authority are available from us on request.

A partial approval or authorization is the ability to partially authorize a transaction if the customer does not have the funds to cover the entire cost on their debit card, prepaid card or gift card. The merchant can obtain the remainder of the purchase amount in another form of payment.

## Code Samples

### CWS 

#### Request

| Property | Description |
| --- | --- |
| parameters JSONObject required | All relevant parameters for partial approval transaction processing. |
| partialApprovalAllowed boolean optional | Partial Approval Indicator Indicates whether to allow partial approval or not. **Valid values:** - true - false (Default) |


#### Response

| Property | Description |
| --- | --- |
| data JSONObject | Object holding various responses. |
| result boolean | Partial Approval Result PARTIALLY_APPROVED |
| balanceDue JSONObject | Balance Due Holds the remainder if the total amount was not authorized. "balanceDue" : { "currencyCode" : "USD", "value" : 0.05 |


#### Example

##### Request

```json
{
 "method" : "startPaymentTransaction",
 "requestId" : "2064767805",
 "targetType" : "paymentGatewayConverge",
 "version" : "1.0",
 "parameters" : {
 "paymentGatewayId" : "badd86fe-0679-42f0-b514-759bbac3402b",
 "transactionType" : "SALE",
 "tenderType" : "CARD",
 .....
 "partialApprovalAllowed" : true,
 .....
 }
}
```

##### Response

```json
{
 "requestId" : "2064767827",
 "statusDetails" : "REQUEST_ACCEPTED",
 "data" : {
 "paymentGatewayCommand" : {
 "completed" : true,
 "eventQueue" : [ ],
 "chanId" : "11a8c625-2fdf-4751-a250-f3361a008ceb",
 "paymentTransactionData" : {
 "result" : "PARTIALLY_APPROVED",
 "authCode" : "******",
 "date" : "Thu Mar 03 10:24:46 MST 2016",
 "cardEntryType" : "SWIPE",
 "resultMessage" : "PARTIALLY_APPROVED",
 "cardScheme" : "VISA",
 "amount" : {
 "currencyCode" : "USD",
 "value" : 2110
 },
 "id" : "030316A15-4BE7CD7D-0478-4CC0-A29D-F402406A78F3",
 "transactionType" : "SALE",
 "approved" : "yes",
 "errors" : [ ],
 "maskedPan" : "******",
 "gratuityAmount" : {
 "currencyCode" : "USD",
 "value" : 0
 },
 "signatureBitmap" : {
 "data" : "` *) !_ X ! ! (_ X ( ! ( ! ) ( ) ( ) 0 ) ( 0 0 0 0 ( 0 _7 ( _7 _/ _/ _/ _. _' _. _&__^ _&__^__^__]__^__^__^__V__^__^__^_____W _'_________ _' ! ( ( ) 1 ( ) ( 0 1 1 ( 1 0 ) 0 1 ( 1 ( 0 ) 0 ( ( ( ( ) ( ( !p`&++ ) ( ) ( ( ( ( ( _/ ( ( _/ _' _/ _/ _' _/ _& _' _& _& _' _& _&__^ _& _&__^ _&__] _&___ _& _& _&___ _& _' _' _' _/p`+'4___ _' _'_ X _' _'_ X _'_ X _'___ _' _' _'___p`.+1 _' _' _/ _' _' _' _' _' _& _' _'__^ _' _& _' _& _' _& _'__^ _& _' _' _& _'p`1*+ _'_ X_______ X _'____ X___ _'________^___ _'___ _' _' _& _' _/ _/ _7 ( ( _7 0 0 0 1 0 1 1 0 ) 1 1 ) ) * ! ! !_ Y \"_ Y_ Q_ Z_ Y_ Q_ Q_ Q_ Zp",
 "format" : "SIG_BIN_2"
 },
 "tenderType" : "CARD",
 "balanceDue" : {
 "currencyCode" : "USD",
 "value" : 5
 }
 }
 }
 }
}
```

### Java 

#### Enable Partial Approval

```java
...
ECLCardTenderInterface cardTenderInterface = (ECLCardTenderInterface)tender;
// partial approval checkbox selected
if (getCardTransactionPropertiesDialog.isPartialApproval())
{
 cardTenderInterface.setPartialApprovalAllowed(true);
}
...
account.getTransactionProcessor().processTransaction(transaction, cardTenderInterface, transactionListener);
```

If a partial approval took place, the `ECLTransactionOutcome` object will have the following characteristics:

- result will be PARTIALLY\_APPROVED
- `amountRequested` will reflect the amount that was specified in the original transaction request
- `amountAuthorized` will reflect the amount that was actually charged against the card
- `balanceDue` will reflect the difference between `amountRequested` and `amountAuthorized`

### Objective-C 

Using the same code from the Sale transaction with a card tender, the only addition we need to do before processing the transaction is:

```objc
[tender setPartialApprovalAllowed];
```
If a partial approval took place, the transaction outcome will have the following characteristics:

- result will be PARTIALLY\_APPROVED
- `amountRequested` will reflect the amount that was specified in the original transaction request
- `amountAuthorized` will reflect the amount that was actually charged against the card
- `balanceDue` will reflect the difference between `amountRequested` and `amountAuthorized`


### C\# 

### Request

```c#
PaymentArgs bea = new PaymentArgs();
...
bea.partialApprovalAllowed = true;
...
m_CWS.StartPaymentTransaction(bea, MyNotifyCWSEvent, MyPaymentComplete);
```

#### Response

```c#
 public void MyPaymentComplete(PaymentTransactionResults ber)
 {
 PaymentTransactionData betd = ber.PaymentTransactionData;
 if (null != betd)
 {
 if ((null != betd.approved)
 && (betd.approved.Equals("yes")))
 {
 Money due = betd.balanceDue; /* Is there a balance due? */
 if ((betd.result.Equals("PARTIALLY_APPROVED"))
 && (null != due))
 Log(String.Format("balanceDue {0}", betd.balanceDue.getAmountInMinorUnits()));
```

If a partial approval took place, the transaction outcome will have the following characteristics:

- result will be PARTIALLY\_APPROVED
- `amountRequested` will reflect the amount that was specified in the original transaction request
- `amountAuthorized` will reflect the amount that was actually charged against the card
- `balanceDue` will reflect the difference between `amountRequested` and `amountAuthorized`

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