diff --git a/htdocs/core/tpl/extrafields_add.tpl.php b/htdocs/core/tpl/extrafields_add.tpl.php
index e25ff129d0e..f6eeb4ad5e9 100644
--- a/htdocs/core/tpl/extrafields_add.tpl.php
+++ b/htdocs/core/tpl/extrafields_add.tpl.php
@@ -35,6 +35,7 @@ if (empty($conf) || !is_object($conf)) {
 @phan-var-force Conf $conf
 @phan-var-force Translate $langs
 @phan-var-force array<string,mixed> $parameters
+@phan-var-force Societe $thirdpartytopropagateextrafieldsfrom
 ';
 
 ?>
@@ -59,6 +60,17 @@ if (empty($reshook)) {
 		$params['tpl_context'] = $parameters['tpl_context'];
 	}
 
+	// By default $thirdpartytopropagateextrafieldsfrom is not set.
+	// We can have it set to a thirdparty object to propagate also the extrafields from thirdparty to object.
+	if (!empty($thirdpartytopropagateextrafieldsfrom) && $thirdpartytopropagateextrafieldsfrom instanceof Societe && !empty($thirdpartytopropagateextrafieldsfrom->id)) {
+		// copy from thirdparty
+		$tpExtrafields = new Extrafields($db);
+		$tpExtrafieldLabels = $tpExtrafields->fetch_name_optionals_label($thirdpartytopropagateextrafieldsfrom->table_element);
+		if ($thirdpartytopropagateextrafieldsfrom->fetch_optionals() > 0) {
+			$object->array_options = array_merge($object->array_options, $thirdpartytopropagateextrafieldsfrom->array_options);
+		}
+	}
+
 	print $object->showOptionals($extrafields, 'create', $params);
 }