diff --git a/src/Client/ValueObject/Order.php b/src/Client/ValueObject/Order.php
index 76c5081..15cf832 100644
--- a/src/Client/ValueObject/Order.php
+++ b/src/Client/ValueObject/Order.php
@@ -22,6 +22,7 @@ public function __construct(
         private string $buyerInfoName,
         private string $buyerInfoVatNumber,
         private string $buyerInfoEmail,
+        private string $buyerInfoPec,
         private array $purchasedItems,
     ) {
     }
@@ -76,6 +77,11 @@ public function getBuyerInfoEmail(): string
         return $this->buyerInfoEmail;
     }
 
+    public function getBuyerInfoPec(): string
+    {
+        return $this->buyerInfoPec;
+    }
+
     /**
      * @return OrderItem[]
      */
@@ -104,6 +110,7 @@ public function toArray(): array
                 'name' => $this->buyerInfoName,
                 'vatCode' => $this->buyerInfoVatNumber,
                 'email' => $this->buyerInfoEmail,
+                'pec' => $this->buyerInfoPec,
             ],
             'items' => $items,
             'allowSCTPayment' => true, // if PausePay is not available, allow to pay by classic instant Wire Bank?
diff --git a/src/Mapper/OrderMapper.php b/src/Mapper/OrderMapper.php
index 89d9997..99de9f9 100644
--- a/src/Mapper/OrderMapper.php
+++ b/src/Mapper/OrderMapper.php
@@ -66,6 +66,7 @@ public function mapFromSyliusPayment(PaymentInterface $payment, string $captureU
             $companyInfo->getName(),
             $companyInfo->getVatNumber(),
             $companyInfo->getEmail(),
+            $companyInfo->getPec(),
             $items,
         );
     }
diff --git a/src/ValueObject/CompanyInfo.php b/src/ValueObject/CompanyInfo.php
index 8d314ce..f0cd48c 100644
--- a/src/ValueObject/CompanyInfo.php
+++ b/src/ValueObject/CompanyInfo.php
@@ -10,6 +10,7 @@ public function __construct(
         private string $name,
         private string $vatNumber,
         private string $email,
+        private string $pec,
     ) {
     }
 
@@ -27,4 +28,9 @@ public function getEmail(): string
     {
         return $this->email;
     }
+
+    public function getPec(): string
+    {
+        return $this->pec;
+    }
 }
diff --git a/tests/Application/src/Resolver/CompanyInfoResolver.php b/tests/Application/src/Resolver/CompanyInfoResolver.php
index 1cc8166..d13fd74 100644
--- a/tests/Application/src/Resolver/CompanyInfoResolver.php
+++ b/tests/Application/src/Resolver/CompanyInfoResolver.php
@@ -15,7 +15,8 @@ public function resolveFromOrder(OrderInterface $order): CompanyInfo
         return new CompanyInfo(
             'Azienda A',
             'IT73228252614',
-            'whatever@example.com'
+            'whatever@example.com',
+            'whatever@example.com',
         );
     }
 }
diff --git a/tests/Service/Resolver/DummyCompanyInfoResolver.php b/tests/Service/Resolver/DummyCompanyInfoResolver.php
index 1259e4e..cf1e4fd 100644
--- a/tests/Service/Resolver/DummyCompanyInfoResolver.php
+++ b/tests/Service/Resolver/DummyCompanyInfoResolver.php
@@ -12,6 +12,6 @@ final class DummyCompanyInfoResolver implements CompanyInfoResolverInterface
 {
     public function resolveFromOrder(OrderInterface $order): CompanyInfo
     {
-        return new CompanyInfo('Webgriffe SRL', '02277170359', 'support@webgriffe.com');
+        return new CompanyInfo('Webgriffe SRL', '02277170359', 'support@webgriffe.com', 'pec@webgriffe.com');
     }
 }
diff --git a/tests/Unit/Client/ValueObject/OrderTest.php b/tests/Unit/Client/ValueObject/OrderTest.php
new file mode 100644
index 0000000..1f0cb54
--- /dev/null
+++ b/tests/Unit/Client/ValueObject/OrderTest.php
@@ -0,0 +1,66 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Webgriffe\SyliusPausePayPlugin\Unit\Client\ValueObject;
+
+use PHPUnit\Framework\TestCase;
+use Webgriffe\SyliusPausePayPlugin\Client\ValueObject\Order;
+use Webgriffe\SyliusPausePayPlugin\Client\ValueObject\OrderItem;
+
+final class OrderTest extends TestCase
+{
+    public function test_to_array(): void
+    {
+        $order = new Order(
+            100.0,
+            '123',
+            new \DateTimeImmutable('2024-09-01 12:23:56'),
+            'Description',
+            'Remittance',
+            'http://ok.com',
+            'http://ko.com',
+            'Buyer Name',
+            'VAT123',
+            'support@webgriffe.com',
+            'pec@webgriffe.com',
+            [
+                new OrderItem('Product 1', 1, 10.0),
+                new OrderItem('Product 2', 2, 20.0),
+            ]
+        );
+
+        self::assertSame(
+            [
+                'amount' => 100.0,
+                'number' => '123',
+                'issueDate' => '01/09/2024 12:23',
+                'description' => 'Description',
+                'remittance' => 'Remittance',
+                'okRedirect' => 'http://ok.com',
+                'koRedirect' => 'http://ko.com',
+                'allowToEditRemittance' => false,
+                'buyerInfo' => [
+                    'name' => 'Buyer Name',
+                    'vatCode' => 'VAT123',
+                    'email' => 'support@webgriffe.com',
+                    'pec' => 'pec@webgriffe.com',
+                ],
+                'items' => [
+                    [
+                        'description' => 'Product 1',
+                        'quantity' => 1,
+                        'amount' => 10.0,
+                    ],
+                    [
+                        'description' => 'Product 2',
+                        'quantity' => 2,
+                        'amount' => 20.0,
+                    ],
+                ],
+                'allowSCTPayment' => true,
+            ],
+            $order->toArray()
+        );
+    }
+}
diff --git a/tests/Unit/Mapper/OrderMapperTest.php b/tests/Unit/Mapper/OrderMapperTest.php
index 14611b0..cc81114 100644
--- a/tests/Unit/Mapper/OrderMapperTest.php
+++ b/tests/Unit/Mapper/OrderMapperTest.php
@@ -57,6 +57,7 @@ public function test_it_maps_sylius_payment_to_pausepay_order(): void
         self::assertSame('Webgriffe SRL', $pausePayOrder->getBuyerInfoName());
         self::assertSame('02277170359', $pausePayOrder->getBuyerInfoVatNumber());
         self::assertSame('support@webgriffe.com', $pausePayOrder->getBuyerInfoEmail());
+        self::assertSame('pec@webgriffe.com', $pausePayOrder->getBuyerInfoPec());
 
         $items = $pausePayOrder->getPurchasedItems();
         self::assertCount(3, $items);