diff --git a/rector.php b/rector.php
index c441d8d..22b358d 100644
--- a/rector.php
+++ b/rector.php
@@ -41,7 +41,6 @@
         //this makes code unreadable
         \Rector\Strict\Rector\Ternary\BooleanInTernaryOperatorRuleFixerRector::class,
         \Rector\Strict\Rector\BooleanNot\BooleanInBooleanNotRuleFixerRector::class,
-        \Rector\Php81\Rector\Property\ReadOnlyPropertyRector::class,
     ])
     ->withFileExtensions(['php'])
     ->withCache(
diff --git a/src/CXml/Model/Accounting.php b/src/CXml/Model/Accounting.php
new file mode 100644
index 0000000..b012e77
--- /dev/null
+++ b/src/CXml/Model/Accounting.php
@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace CXml\Model;
+
+use JMS\Serializer\Annotation as Serializer;
+
+readonly class Accounting
+{
+    private function __construct(
+        #[Serializer\XmlAttribute]
+        private string $name,
+        /**
+         * @var AccountingSegment[]
+         */
+        #[Serializer\XmlList(entry: 'AccountingSegment', inline: true)]
+        #[Serializer\Type('array<CXml\Model\AccountingSegment>')]
+        private array $accountingSegments,
+        #[Serializer\SerializedName('Charge')]
+        private MoneyWrapper $charge,
+    ) {
+    }
+}
diff --git a/src/CXml/Model/AccountingSegment.php b/src/CXml/Model/AccountingSegment.php
new file mode 100644
index 0000000..b35242b
--- /dev/null
+++ b/src/CXml/Model/AccountingSegment.php
@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace CXml\Model;
+
+use JMS\Serializer\Annotation as Serializer;
+
+readonly class AccountingSegment
+{
+    private function __construct(
+        #[Serializer\XmlAttribute]
+        private int $id,
+        #[Serializer\SerializedName('Name')]
+        #[Serializer\XmlElement(cdata: false)]
+        private MultilanguageString $name,
+        #[Serializer\SerializedName('Description')]
+        #[Serializer\XmlElement(cdata: false)]
+        private MultilanguageString $description,
+    ) {
+    }
+}
diff --git a/src/CXml/Model/ControlKeys.php b/src/CXml/Model/ControlKeys.php
new file mode 100644
index 0000000..c703442
--- /dev/null
+++ b/src/CXml/Model/ControlKeys.php
@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+namespace CXml\Model;
+
+use JMS\Serializer\Annotation as Serializer;
+
+readonly class ControlKeys
+{
+    private function __construct(
+        #[Serializer\SerializedName('InvoiceInstruction')]
+        private InvoiceInstruction $invoiceInstruction,
+    ) {
+    }
+}
diff --git a/src/CXml/Model/Distribution.php b/src/CXml/Model/Distribution.php
new file mode 100644
index 0000000..d3291e0
--- /dev/null
+++ b/src/CXml/Model/Distribution.php
@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+namespace CXml\Model;
+
+use JMS\Serializer\Annotation as Serializer;
+
+readonly class Distribution
+{
+    private function __construct(
+        #[Serializer\SerializedName('Accounting')]
+        private Accounting $accounting,
+    ) {
+    }
+}
diff --git a/src/CXml/Model/InvoiceInstruction.php b/src/CXml/Model/InvoiceInstruction.php
new file mode 100644
index 0000000..5bef1a6
--- /dev/null
+++ b/src/CXml/Model/InvoiceInstruction.php
@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace CXml\Model;
+
+use JMS\Serializer\Annotation as Serializer;
+
+readonly class InvoiceInstruction
+{
+    private function __construct(
+        #[Serializer\XmlAttribute]
+        private string $verificationType,
+        #[Serializer\XmlAttribute]
+        private string $value,
+    ) {
+    }
+}
diff --git a/src/CXml/Model/ItemOut.php b/src/CXml/Model/ItemOut.php
index 3ca65d3..4fc960c 100644
--- a/src/CXml/Model/ItemOut.php
+++ b/src/CXml/Model/ItemOut.php
@@ -7,9 +7,11 @@
 use DateTimeInterface;
 use JMS\Serializer\Annotation as Serializer;
 
-#[Serializer\AccessorOrder(order: 'custom', custom: ['itemId', 'itemDetail'])]
-readonly class ItemOut
+#[Serializer\AccessorOrder(order: 'custom', custom: ['itemId', 'itemDetail', 'shipTo', 'distribution', 'controlKeys', 'scheduleLine'])]
+class ItemOut
 {
+    use CommentsTrait;
+
     private function __construct(
         #[Serializer\XmlAttribute]
         #[Serializer\SerializedName('lineNumber')]
@@ -22,11 +24,17 @@ private function __construct(
         #[Serializer\SerializedName('ItemDetail')]
         private ItemDetail $itemDetail,
         #[Serializer\XmlAttribute]
-        #[Serializer\SerializedName('requestedDeliveryDate')]
         private ?DateTimeInterface $requestedDeliveryDate = null,
         #[Serializer\XmlAttribute]
-        #[Serializer\SerializedName('parentLineNumber')]
         private ?int $parentLineNumber = null,
+        #[Serializer\SerializedName('ShipTo')]
+        private ?ShipTo $shipTo = null,
+        #[Serializer\SerializedName('Distribution')]
+        private ?Distribution $distribution = null,
+        #[Serializer\SerializedName('ControlKeys')]
+        private ?ControlKeys $controlKeys = null,
+        #[Serializer\SerializedName('ScheduleLine')]
+        private ?ScheduleLine $scheduleLine = null,
     ) {
     }
 
@@ -85,4 +93,24 @@ public function getParentLineNumber(): ?int
     {
         return $this->parentLineNumber;
     }
+
+    public function getShipTo(): ?ShipTo
+    {
+        return $this->shipTo;
+    }
+
+    public function getDistribution(): ?Distribution
+    {
+        return $this->distribution;
+    }
+
+    public function getControlKeys(): ?ControlKeys
+    {
+        return $this->controlKeys;
+    }
+
+    public function getScheduleLine(): ?ScheduleLine
+    {
+        return $this->scheduleLine;
+    }
 }
diff --git a/src/CXml/Model/ScheduleLine.php b/src/CXml/Model/ScheduleLine.php
new file mode 100644
index 0000000..56e6dd4
--- /dev/null
+++ b/src/CXml/Model/ScheduleLine.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace CXml\Model;
+
+use DateTimeInterface;
+use JMS\Serializer\Annotation as Serializer;
+
+readonly class ScheduleLine
+{
+    private function __construct(
+        #[Serializer\SerializedName('UnitOfMeasure')]
+        private UnitOfMeasure $unitOfMeasure,
+        #[Serializer\XmlAttribute]
+        private int $quantity,
+        #[Serializer\XmlAttribute]
+        private DateTimeInterface $requestedDeliveryDate,
+        #[Serializer\XmlAttribute]
+        private ?int $lineNumber = null,
+    ) {
+    }
+}