diff --git a/Classes/Domain/Model/Order/AbstractAddress.php b/Classes/Domain/Model/Order/AbstractAddress.php
index 0307e54b..8906247b 100755
--- a/Classes/Domain/Model/Order/AbstractAddress.php
+++ b/Classes/Domain/Model/Order/AbstractAddress.php
@@ -11,11 +11,14 @@
  * LICENSE file that was distributed with this source code.
  */
 
+use TYPO3\CMS\Extbase\Annotation\ORM\Lazy;
 use TYPO3\CMS\Extbase\DomainObject\AbstractEntity;
+use TYPO3\CMS\Extbase\Persistence\Generic\LazyLoadingProxy;
 
 abstract class AbstractAddress extends AbstractEntity
 {
-    protected ?Item $item = null;
+    #[Lazy]
+    protected LazyLoadingProxy|Item|null $item = null;
 
     protected string $title = '';
 
@@ -72,6 +75,10 @@ public function toArray(): array
 
     public function getItem(): ?Item
     {
+        if ($this->item instanceof LazyLoadingProxy) {
+            $this->item->_loadRealInstance();
+        }
+
         return $this->item;
     }
 
diff --git a/Classes/Domain/Model/Order/AbstractService.php b/Classes/Domain/Model/Order/AbstractService.php
index 535f028f..52afb128 100644
--- a/Classes/Domain/Model/Order/AbstractService.php
+++ b/Classes/Domain/Model/Order/AbstractService.php
@@ -11,12 +11,15 @@
  * LICENSE file that was distributed with this source code.
  */
 
+use TYPO3\CMS\Extbase\Annotation\ORM\Lazy;
 use TYPO3\CMS\Extbase\Annotation\Validate;
 use TYPO3\CMS\Extbase\DomainObject\AbstractEntity;
+use TYPO3\CMS\Extbase\Persistence\Generic\LazyLoadingProxy;
 
 abstract class AbstractService extends AbstractEntity
 {
-    protected ?Item $item = null;
+    #[Lazy]
+    protected LazyLoadingProxy|Item|null $item = null;
 
     protected string $serviceCountry = '';
 
@@ -65,6 +68,10 @@ public function toArray(): array
 
     public function getItem(): ?Item
     {
+        if ($this->item instanceof LazyLoadingProxy) {
+            $this->item->_loadRealInstance();
+        }
+
         return $this->item;
     }
 
diff --git a/Classes/Domain/Model/Order/Discount.php b/Classes/Domain/Model/Order/Discount.php
index 88c1c727..0c08964d 100644
--- a/Classes/Domain/Model/Order/Discount.php
+++ b/Classes/Domain/Model/Order/Discount.php
@@ -12,12 +12,15 @@
  */
 
 use Extcode\Cart\Domain\Model\Cart\TaxClass;
+use TYPO3\CMS\Extbase\Annotation\ORM\Lazy;
 use TYPO3\CMS\Extbase\Annotation\Validate;
 use TYPO3\CMS\Extbase\DomainObject\AbstractEntity;
+use TYPO3\CMS\Extbase\Persistence\Generic\LazyLoadingProxy;
 
 class Discount extends AbstractEntity
 {
-    protected Item $item;
+    #[Lazy]
+    protected LazyLoadingProxy|Item $item;
 
     public function __construct(
         #[Validate(['validator' => 'NotEmpty'])]
@@ -36,6 +39,10 @@ public function __construct(
 
     public function getItem(): ?Item
     {
+        if ($this->item instanceof LazyLoadingProxy) {
+            $this->item->_loadRealInstance();
+        }
+
         return $this->item;
     }
 
diff --git a/Classes/Domain/Model/Order/Product.php b/Classes/Domain/Model/Order/Product.php
index e5623148..2d860ab7 100644
--- a/Classes/Domain/Model/Order/Product.php
+++ b/Classes/Domain/Model/Order/Product.php
@@ -11,13 +11,16 @@
  * LICENSE file that was distributed with this source code.
  */
 
+use TYPO3\CMS\Extbase\Annotation\ORM\Lazy;
 use TYPO3\CMS\Extbase\Annotation\Validate;
 use TYPO3\CMS\Extbase\DomainObject\AbstractEntity;
+use TYPO3\CMS\Extbase\Persistence\Generic\LazyLoadingProxy;
 use TYPO3\CMS\Extbase\Persistence\ObjectStorage;
 
 class Product extends AbstractEntity
 {
-    protected Item $item;
+    #[Lazy]
+    protected LazyLoadingProxy|Item $item;
 
     protected int $productId = 0;
 
@@ -74,6 +77,10 @@ protected function initStorageObjects(): void
 
     public function getItem(): ?Item
     {
+        if ($this->item instanceof LazyLoadingProxy) {
+            $this->item->_loadRealInstance();
+        }
+
         return $this->item;
     }
 
diff --git a/Documentation/guides.xml b/Documentation/guides.xml
index 240cf0fa..2b15ffec 100644
--- a/Documentation/guides.xml
+++ b/Documentation/guides.xml
@@ -11,8 +11,8 @@
                interlink-shortcode="extcode/cart"
     />
     <project title="Cart"
-             release="10.2.12"
-             version="10.2"
+             release="10.3.0"
+             version="10.3"
              copyright="2018 - 2024"
     />
     <inventory id="t3tsref" url="https://docs.typo3.org/typo3cms/TyposcriptReference/"/>
diff --git a/ext_emconf.php b/ext_emconf.php
index a6d58bcb..9baa6caa 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -4,7 +4,7 @@
     'title' => 'Cart',
     'description' => 'Shopping Cart(s) for TYPO3',
     'category' => 'plugin',
-    'version' => '10.2.12',
+    'version' => '10.3.0',
     'state' => 'stable',
     'author' => 'Daniel Gohlke',
     'author_email' => 'ext@extco.de',