diff --git a/src/Model/Entity/AppModel.php b/src/Model/Entity/AppModel.php
index d4704fe..84c86b3 100644
--- a/src/Model/Entity/AppModel.php
+++ b/src/Model/Entity/AppModel.php
@@ -6,5 +6,8 @@ use Cake\ORM\Entity;
 
 class AppModel extends Entity
 {
-    
+    public function getAccessibleFieldForNew(): array
+    {
+        return $this->_accessibleOnNew ?? [];
+    }
 }
diff --git a/src/Model/Entity/Individual.php b/src/Model/Entity/Individual.php
index dbcb03c..a14e339 100644
--- a/src/Model/Entity/Individual.php
+++ b/src/Model/Entity/Individual.php
@@ -16,9 +16,4 @@ class Individual extends AppModel
     protected $_accessibleOnNew = [
         'uuid' => true,
     ];
-
-    public function getAccessibleFieldForNew(): array
-    {
-        return $this->_accessibleOnNew;
-    }
 }
diff --git a/src/Model/Entity/Organisation.php b/src/Model/Entity/Organisation.php
index 3428c34..bc78378 100644
--- a/src/Model/Entity/Organisation.php
+++ b/src/Model/Entity/Organisation.php
@@ -16,9 +16,4 @@ class Organisation extends AppModel
     protected $_accessibleOnNew = [
         'uuid' => true,
     ];
-
-    public function getAccessibleFieldForNew(): array
-    {
-        return $this->_accessibleOnNew;
-    }
 }
diff --git a/src/Model/Entity/SharingGroup.php b/src/Model/Entity/SharingGroup.php
index e47ba4a..34d4b01 100644
--- a/src/Model/Entity/SharingGroup.php
+++ b/src/Model/Entity/SharingGroup.php
@@ -20,9 +20,4 @@ class SharingGroup extends AppModel
         'organisation_id' => true,
         'user_id' => true,
     ];
-
-    public function getAccessibleFieldForNew(): array
-    {
-        return $this->_accessibleOnNew;
-    }
 }