diff --git a/src/Message/AcceptNotificationRequest.php b/src/Message/AcceptNotificationRequest.php
index da93078..3cc8f8a 100644
--- a/src/Message/AcceptNotificationRequest.php
+++ b/src/Message/AcceptNotificationRequest.php
@@ -2,7 +2,9 @@
 
 namespace Omnipay\Aerotow\Message;
 
-class AcceptNotificationRequest extends CompletePurchaseRequest
+use Omnipay\Common\Message\NotificationInterface;
+
+class AcceptNotificationRequest extends CompletePurchaseRequest implements NotificationInterface
 {
     /**
      * @param array $data
@@ -12,4 +14,22 @@ public function sendData($data)
     {
         return $this->response = new AcceptNotificationResponse($this, $data);
     }
+
+    public function getTransactionStatus()
+    {
+        return $this->getNotificationResponse()->getTransactionStatus();
+    }
+
+    public function getMessage()
+    {
+        return $this->getNotificationResponse()->getMessage();
+    }
+
+    /**
+     * @return AcceptNotificationResponse
+     */
+    protected function getNotificationResponse()
+    {
+        return ! $this->response ? $this->send() : $this->response;
+    }
 }
diff --git a/src/Message/AcceptNotificationResponse.php b/src/Message/AcceptNotificationResponse.php
index a42f0ce..200ecfa 100644
--- a/src/Message/AcceptNotificationResponse.php
+++ b/src/Message/AcceptNotificationResponse.php
@@ -2,6 +2,12 @@
 
 namespace Omnipay\Aerotow\Message;
 
-class AcceptNotificationResponse extends CompletePurchaseResponse
+use Omnipay\Common\Message\NotificationInterface;
+
+class AcceptNotificationResponse extends CompletePurchaseResponse implements NotificationInterface
 {
+    public function getTransactionStatus()
+    {
+        return $this->isSuccessful() ? self::STATUS_COMPLETED : self::STATUS_FAILED;
+    }
 }
diff --git a/src/Message/CompletePurchaseRequest.php b/src/Message/CompletePurchaseRequest.php
index 4500697..287b1dd 100644
--- a/src/Message/CompletePurchaseRequest.php
+++ b/src/Message/CompletePurchaseRequest.php
@@ -8,9 +8,8 @@
 use Omnipay\Aerotow\Traits\HasOrderInfo;
 use Omnipay\Common\Exception\InvalidRequestException;
 use Omnipay\Common\Message\AbstractRequest;
-use Omnipay\Common\Message\NotificationInterface;
 
-class CompletePurchaseRequest extends AbstractRequest implements NotificationInterface
+class CompletePurchaseRequest extends AbstractRequest
 {
     use HasMerchant;
     use HasOrderInfo;
@@ -52,24 +51,6 @@ public function sendData($data)
         return $this->response = new CompletePurchaseResponse($this, $data);
     }
 
-    public function getTransactionStatus()
-    {
-        return $this->getNotification()->getTransactionStatus();
-    }
-
-    public function getMessage()
-    {
-        return $this->getNotification()->getMessage();
-    }
-
-    /**
-     * @return NotificationInterface
-     */
-    protected function getNotification()
-    {
-        return ! $this->response ? $this->send() : $this->response;
-    }
-
     /**
      * @return array
      * @throws InvalidRequestException
diff --git a/src/Message/CompletePurchaseResponse.php b/src/Message/CompletePurchaseResponse.php
index 4f9bd8e..e588752 100644
--- a/src/Message/CompletePurchaseResponse.php
+++ b/src/Message/CompletePurchaseResponse.php
@@ -3,9 +3,8 @@
 namespace Omnipay\Aerotow\Message;
 
 use Omnipay\Common\Message\AbstractResponse;
-use Omnipay\Common\Message\NotificationInterface;
 
-class CompletePurchaseResponse extends AbstractResponse implements NotificationInterface
+class CompletePurchaseResponse extends AbstractResponse
 {
     /**
      * Is the response successful?
@@ -36,9 +35,4 @@ public function getTransactionId()
     {
         return $this->data['Ordernum'];
     }
-
-    public function getTransactionStatus()
-    {
-        return $this->isSuccessful() ? self::STATUS_COMPLETED : self::STATUS_FAILED;
-    }
 }
diff --git a/src/Message/PurchaseRequest.php b/src/Message/PurchaseRequest.php
index b781ded..bfb5aaf 100644
--- a/src/Message/PurchaseRequest.php
+++ b/src/Message/PurchaseRequest.php
@@ -165,6 +165,14 @@ public function sendData($data)
         return $this->response = new PurchaseResponse($this, $data);
     }
 
+    /**
+     * @return bool
+     */
+    public function isAtm()
+    {
+        return $this->getGatewayName() === 'Aerotow_ATM';
+    }
+
     /**
      * @return array
      * @throws InvalidRequestException
@@ -197,12 +205,4 @@ private function getCvsData()
             'Hour' => $this->getHour(),
         ]);
     }
-
-    /**
-     * @return bool
-     */
-    public function isAtm()
-    {
-        return $this->getGatewayName() === 'Aerotow_ATM';
-    }
 }