diff --git a/htdocs/langs/en_US/recruitment.lang b/htdocs/langs/en_US/recruitment.lang
index a50fa92ec9f..b775e78552e 100644
--- a/htdocs/langs/en_US/recruitment.lang
+++ b/htdocs/langs/en_US/recruitment.lang
@@ -71,3 +71,5 @@ YourCandidature=Your application
 YourCandidatureAnswerMessage=Thanks you for your application.<br>...
 JobClosedTextCandidateFound=The job position is closed. The position has been filled.
 JobClosedTextCanceled=The job position is closed.
+ExtrafieldsJobPosition=Complementary attributes (job positions)
+ExtrafieldsCandidatures=Complementary attributes (job applications)
diff --git a/htdocs/modulebuilder/template/class/myobject.class.php b/htdocs/modulebuilder/template/class/myobject.class.php
index f3564a3ff20..f350e65ee8e 100644
--- a/htdocs/modulebuilder/template/class/myobject.class.php
+++ b/htdocs/modulebuilder/template/class/myobject.class.php
@@ -308,11 +308,12 @@ class MyObject extends CommonObject
 		unset($object->fk_user_creat);
 		unset($object->import_key);
 
-
 		// Clear fields
-		$object->ref = empty($this->fields['ref']['default']) ? "copy_of_".$object->ref : $this->fields['ref']['default'];
-		$object->label = empty($this->fields['label']['default']) ? $langs->trans("CopyOf")." ".$object->label : $this->fields['label']['default'];
-		$object->status = self::STATUS_DRAFT;
+		if (property_exists($object, 'ref')) $object->ref = empty($this->fields['ref']['default']) ? "Copy_Of_".$object->ref : $this->fields['ref']['default'];
+		if (property_exists($object, 'label')) $object->label = empty($this->fields['label']['default']) ? $langs->trans("CopyOf")." ".$object->label : $this->fields['label']['default'];
+		if (property_exists($object, 'status')) { $object->status = self::STATUS_DRAFT; }
+		if (property_exists($object, 'date_creation')) { $object->date_creation = dol_now(); }
+		if (property_exists($object, 'date_modification')) { $object->date_modification = null; }
 		// ...
 		// Clear extrafields that are unique
 		if (is_array($object->array_options) && count($object->array_options) > 0)
diff --git a/htdocs/recruitment/class/recruitmentcandidature.class.php b/htdocs/recruitment/class/recruitmentcandidature.class.php
index f52f173820c..6c61ae55a1a 100644
--- a/htdocs/recruitment/class/recruitmentcandidature.class.php
+++ b/htdocs/recruitment/class/recruitmentcandidature.class.php
@@ -277,11 +277,13 @@ class RecruitmentCandidature extends CommonObject
 		unset($object->fk_user_creat);
 		unset($object->import_key);
 
-
 		// Clear fields
-		$object->ref = empty($this->fields['ref']['default']) ? "copy_of_".$object->ref : $this->fields['ref']['default'];
-		$object->label = empty($this->fields['label']['default']) ? $langs->trans("CopyOf")." ".$object->label : $this->fields['label']['default'];
-		$object->status = self::STATUS_DRAFT;
+		if (property_exists($object, 'ref')) $object->ref = empty($this->fields['ref']['default']) ? "Copy_Of_".$object->ref : $this->fields['ref']['default'];
+		if (property_exists($object, 'label')) $object->label = empty($this->fields['label']['default']) ? $langs->trans("CopyOf")." ".$object->label : $this->fields['label']['default'];
+		if (property_exists($object, 'status')) { $object->status = self::STATUS_DRAFT; }
+		if (property_exists($object, 'date_creation')) { $object->date_creation = dol_now(); }
+		if (property_exists($object, 'date_modification')) { $object->date_modification = null; }
+
 		// ...
 		// Clear extrafields that are unique
 		if (is_array($object->array_options) && count($object->array_options) > 0)
diff --git a/htdocs/recruitment/class/recruitmentjobposition.class.php b/htdocs/recruitment/class/recruitmentjobposition.class.php
index 9bff9e5be15..b31d82406aa 100644
--- a/htdocs/recruitment/class/recruitmentjobposition.class.php
+++ b/htdocs/recruitment/class/recruitmentjobposition.class.php
@@ -290,11 +290,12 @@ class RecruitmentJobPosition extends CommonObject
 		unset($object->fk_user_creat);
 		unset($object->import_key);
 
-
 		// Clear fields
-		$object->ref = empty($this->fields['ref']['default']) ? "copy_of_".$object->ref : $this->fields['ref']['default'];
-		$object->label = empty($this->fields['label']['default']) ? $langs->trans("CopyOf")." ".$object->label : $this->fields['label']['default'];
-		$object->status = self::STATUS_DRAFT;
+		if (property_exists($object, 'ref')) $object->ref = empty($this->fields['ref']['default']) ? "Copy_Of_".$object->ref : $this->fields['ref']['default'];
+		if (property_exists($object, 'label')) $object->label = empty($this->fields['label']['default']) ? $langs->trans("CopyOf")." ".$object->label : $this->fields['label']['default'];
+		if (property_exists($object, 'status')) { $object->status = self::STATUS_DRAFT; }
+		if (property_exists($object, 'date_creation')) { $object->date_creation = dol_now(); }
+		if (property_exists($object, 'date_modification')) { $object->date_modification = null; }
 		// ...
 		// Clear extrafields that are unique
 		if (is_array($object->array_options) && count($object->array_options) > 0)