diff --git a/src/Client.php b/src/Client.php
index bd0a651..af94e87 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -105,9 +105,9 @@ public function transfer(TransactionInterface $transaction): TransferResponse
                 'TerminalId' => $this->config->getTerminalId(),
             ],
             \GuzzleHttp\RequestOptions::JSON => [
-                'transferCode' => $transaction->getReference(),
+                'transferCode' => $this->config->getTransferCodePrefix() . $transaction->getReference(),
                 'mac' => Mac::generate($transaction),
-                'initiatingEntityCode' => 'PBL',
+                'initiatingEntityCode' => $this->config->getEntityCode(),
                 'initiation' => [
                     'amount' => (string) $transaction->getCents(),
                     'currencyCode' => (string) $transaction->getCurrency(),
diff --git a/src/Interfaces/ConfigInterface.php b/src/Interfaces/ConfigInterface.php
index f939d7c..023d6b2 100644
--- a/src/Interfaces/ConfigInterface.php
+++ b/src/Interfaces/ConfigInterface.php
@@ -15,5 +15,7 @@ public function getAuthUrl(): string;
     public function getUrl(): string;
     public function getUsername(): string;
     public function getPassword(): string;
+    public function getEntityCode(): string;
+    public function getTransferCodePrefix(): string;
     public function getTerminalId(): string;
 }