diff --git a/CRM/Core/Payment/Faps.php b/CRM/Core/Payment/Faps.php
index d2aaa39d..88dafa40 100644
--- a/CRM/Core/Payment/Faps.php
+++ b/CRM/Core/Payment/Faps.php
@@ -455,15 +455,11 @@ public function doRefund($params = []) {
     if (!empty($result['authResponse'] == 'ACCEPTED')) {
       $refundParams = [
         'refund_trxn_id' => $result['referenceNumber'],
-        'refund_status_id' => $refundStatus,
-        'refund_status_name' => $refundStatusName,
-        'processor_result' => $refund->jsonSerialize(),
+        'refund_status_id' =>  CRM_Core_PseudoConstant::getKey('CRM_Contribute_BAO_Contribution', 'contribution_status_id', 'Completed'),
+        'refund_status_name' => 'Completed',
       ];
       return $refundParams;
     }
-
-    return $params;
-
   }
 
   /**
diff --git a/CRM/Core/Payment/iATSService.php b/CRM/Core/Payment/iATSService.php
index f2dd5c4f..d1948eba 100644
--- a/CRM/Core/Payment/iATSService.php
+++ b/CRM/Core/Payment/iATSService.php
@@ -303,19 +303,6 @@ public function doPayment(&$params, $component = 'contribute') {
     }
   }
 
-  /**
-   * Does this payment processor support refund?
-   *
-   * @return bool
-   */
-  public function supportsRefund() {
-    return TRUE;
-  }
-
-  // might become a supported core function but for now just create our own function name
-  public function doRefund($params = []) {
-    return $params;
-  }
   /**
    * support corresponding CiviCRM method
    */
diff --git a/CRM/Core/Payment/iATSServiceACHEFT.php b/CRM/Core/Payment/iATSServiceACHEFT.php
index 5332d44c..11d94efc 100644
--- a/CRM/Core/Payment/iATSServiceACHEFT.php
+++ b/CRM/Core/Payment/iATSServiceACHEFT.php
@@ -197,7 +197,47 @@ protected function buildForm_CAD(&$form) {
     ));
   }
 
+  /**
+   * Does this payment processor support refund?
+   *
+   * @return bool
+   */
+  public function supportsRefund() {
+    return TRUE;
+  }
 
+  // might become a supported core function but for now just create our own function name
+  public function doRefund($params = []) {
+    $iats = new CRM_Iats_iATSServiceRequest([
+      'type' => 'process',
+      'method' => 'acheft_refund',
+      'iats_domain' => $this->_profile['iats_domain'],
+     ]);
+     $request = [
+       'transactionId' => $params['trxn_id'],
+       'total' => (-1 * sprintf('%01.2f', CRM_Utils_Rule::cleanMoney($params['total_amount']))),
+       'customerIPAddress' => (function_exists('ip_address') ? ip_address() : $_SERVER['REMOTE_ADDR']),
+     ];
+     $credentials = [
+       'agentCode' => $this->_paymentProcessor['user_name'],
+       'password'  => $this->_paymentProcessor['password'],
+     ];
+     // Make the soap request.
+     $response = $iats->request($credentials, $request);
+
+     $result = $iats->result($response);
+     if ($result['status']) {
+       $refundParams = [
+         'refund_trxn_id' => trim($result['remote_id']) . ':' . time(),
+         'refund_status_id' =>  CRM_Core_PseudoConstant::getKey('CRM_Contribute_BAO_Contribution', 'contribution_status_id', 'Completed'),
+         'refund_status_name' => 'Completed',
+       ];
+       return $refundParams;
+     }
+     else {
+       return self::error($result['reasonMessage']);
+     }
+  }
   /**
    *
    */
diff --git a/CRM/Iats/Form/Refund.php b/CRM/Iats/Form/Refund.php
index e406ed81..7fa88443 100644
--- a/CRM/Iats/Form/Refund.php
+++ b/CRM/Iats/Form/Refund.php
@@ -98,7 +98,7 @@ public function postProcess() {
       $refundPaymentParams = [
         'contribution_id' => $this->_id,
         'trxn_id' => $refund['refund_trxn_id'],
-        'total_amount' => (-$contribution['total_amount']),
+        'total_amount' => (-1 * $contribution['total_amount']),
         'payment_processor_id' => $this->_paymentProcessorID,
       ];
       $trxn = CRM_Financial_BAO_Payment::create($refundPaymentParams);
diff --git a/CRM/Iats/iATSServiceRequest.php b/CRM/Iats/iATSServiceRequest.php
index 13700124..c9263cee 100644
--- a/CRM/Iats/iATSServiceRequest.php
+++ b/CRM/Iats/iATSServiceRequest.php
@@ -481,6 +481,13 @@ public function methodInfo($type = '', $method = '') {
             'message' => 'ProcessACHEFTWithCustomerCode',
             'response' => 'ProcessACHEFTWithCustomerCodeResult',
           ),
+          'acheft_refund' => array(
+            'title' => 'Refund a specific ACH / EFT transaction',
+            'description' => $desc . 'ProcessACHEFTRefundWithTransactionId',
+            'method' => 'ProcessACHEFTRefundWithTransactionId',
+            'message' => 'ProcessACHEFTRefundWithTransactionId',
+            'response' => 'ProcessACHEFTRefundWithTransactionIdResult',
+          ),
         );
         break;
       case 'report':