diff --git a/app/Http/Controllers/HealthCareSheetController.php b/app/Http/Controllers/HealthCareSheetController.php
index b20526d..082a94f 100755
--- a/app/Http/Controllers/HealthCareSheetController.php
+++ b/app/Http/Controllers/HealthCareSheetController.php
@@ -781,7 +781,7 @@ class HealthCareSheetController extends Controller
             'prescriptions.*.id' => 'required|integer|exists:nh_medical_prescriptions,id',
             'prescriptions.*.unit_price' => 'required|numeric',
             'exams' => 'nullable|array',
-            'exams.*.id' => 'nullable|integer|exists:nh_exams,id',
+            'exams.*.id' => 'required|integer|exists:nh_exams,id',
             'exams.*.unit_price' => 'required|numeric',
         ]);
 
@@ -1018,10 +1018,13 @@ class HealthCareSheetController extends Controller
 
         if (!empty($user_id)) {
             $query = NhInfosHealthCareSheets::where('user_id', $user_id);
-        } else {
+        }
+
+        if (!empty($network_agent_id)) {
             $query = NhInfosHealthCareSheets::where('network_agent_id', $network_agent_id);
         }
 
+
         $query = $query->with(['performances.act:id,code,name', 'exams.act:id,code,name', 'prescriptions.drug_or_device:id,name']);
 
         if (!empty($state) && $state == 'TO_BILL') {