diff --git a/loko/assets/static/assets/inspection_map.js b/loko/assets/static/assets/inspection_map.js
index 074efb6..a917837 100644
--- a/loko/assets/static/assets/inspection_map.js
+++ b/loko/assets/static/assets/inspection_map.js
@@ -1397,6 +1397,19 @@
         document.getElementById('insp_object_id').value = objId;
 
         let modelName = props.model_name || props.location_type || '';
+        const rawModel = String(props.model_name || props.location_type || '').toLowerCase();
+        const targetCode = String(props.code || props.target_display || '').toUpperCase();
+        const isZoneRwiz = (
+            rawModel === 'naturerwiz' ||
+            props.location_type === 'NatureRWIZ' ||
+            targetCode.startsWith('RWIZ') ||
+            Boolean(props.is_location && (props.thematic === 'water' || props.thematic === 'giep' || rawModel === 'naturerwiz'))
+        ) && (props.model_name !== 'naturerwiasset' && props.asset_type !== 'naturerwiasset' && props.is_location !== false);
+
+        if (typeof window.toggleMissingResultChoice === 'function') {
+            window.toggleMissingResultChoice(isZoneRwiz);
+        }
+
         if (modelName === 'NatureRWIZ' || modelName === 'NatureRWIAsset' || modelName === 'naturerwiasset' || props.thematic === 'water' || props.location_type === 'NatureRWIZ') {
             modelName = 'naturerwiz';
             window.currentGiepLocationId = props.location_id || (props.is_location ? objId : null) || objId;
diff --git a/loko/assets/templates/assets/components/asset_inspections.html b/loko/assets/templates/assets/components/asset_inspections.html
index a440c95..2c5bf1c 100644
--- a/loko/assets/templates/assets/components/asset_inspections.html
+++ b/loko/assets/templates/assets/components/asset_inspections.html
@@ -15,6 +15,7 @@
                     data-bs-toggle="modal" 
                     data-bs-target="#quickInspectionModal"
                     data-content-type-id="{{ asset_ct_id }}"
+                    data-model-name="{{ asset_ct_model }}"
                     data-object-id="{{ asset_pk }}"
                     data-target-code="{{ asset.code|default:asset.pk }}"
                     data-target-name="{{ asset.name_fr|default:asset.name_nl|default:asset }}"
@@ -206,6 +207,13 @@ document.addEventListener('DOMContentLoaded', function() {
             if (modalTypeName) modalTypeName.textContent = name;
             if (modalTypeBadge) modalTypeBadge.textContent = type;
             if (modalStatusBadge) modalStatusBadge.textContent = status;
+
+            const modelName = (this.getAttribute('data-model-name') || '').toLowerCase();
+            const codeUpper = (code || '').toUpperCase();
+            const isRwiz = (modelName === 'naturerwiz' || codeUpper.startsWith('RWIZ'));
+            if (typeof window.toggleMissingResultChoice === 'function') {
+                window.toggleMissingResultChoice(isRwiz);
+            }
         });
     });
 
diff --git a/loko/assets/templates/assets/components/inspection_form_modal.html b/loko/assets/templates/assets/components/inspection_form_modal.html
index 041287e..3d5c181 100644
--- a/loko/assets/templates/assets/components/inspection_form_modal.html
+++ b/loko/assets/templates/assets/components/inspection_form_modal.html
@@ -64,9 +64,9 @@
                                         <span>{% translate "Endommagé" %}</span>
                                     </label>
                                 </div>
-                                <div class="col-4">
+                                <div class="col-4" id="res_container_missing">
                                     <input type="radio" class="btn-check" name="result_status" id="res_missing" value="missing">
-                                    <label class="btn btn-outline-dark w-100 py-2 d-flex align-items-center justify-content-center gap-1 small" for="res_missing">
+                                    <label class="btn btn-outline-dark w-100 py-2 d-flex align-items-center justify-content-center gap-1 small" for="res_missing" id="res_label_missing">
                                         <i class="bi bi-dash-circle-fill"></i>
                                         <span>{% translate "Absent" %}</span>
                                     </label>
diff --git a/loko/inspections/templates/inspections/components/asset_fields/_naturerwiz.html b/loko/inspections/templates/inspections/components/asset_fields/_naturerwiz.html
index da13f9e..7bf89ae 100644
--- a/loko/inspections/templates/inspections/components/asset_fields/_naturerwiz.html
+++ b/loko/inspections/templates/inspections/components/asset_fields/_naturerwiz.html
@@ -153,6 +153,14 @@
 
 <script>
 (function() {
+    if (typeof window.toggleMissingResultChoice === 'function') {
+        const container = document.getElementById('giepSpecificFields');
+        const isAssetSpecific = container && container.dataset.assetId && container.dataset.assetId !== '';
+        if (!isAssetSpecific) {
+            window.toggleMissingResultChoice(true);
+        }
+    }
+
     function createEmptyOuvrage(idx, deviceType = "evc", asset = null) {
         return {
             local_id: String(idx),
diff --git a/loko/inspections/templates/inspections/components/edit_inspection_modal.html b/loko/inspections/templates/inspections/components/edit_inspection_modal.html
index decfd0a..a3f7cf3 100644
--- a/loko/inspections/templates/inspections/components/edit_inspection_modal.html
+++ b/loko/inspections/templates/inspections/components/edit_inspection_modal.html
@@ -39,9 +39,9 @@
                         <label class="form-label fw-semibold d-block">{% translate "Résultat de l'inspection" %} <span class="text-danger">*</span></label>
                         <div class="row g-2">
                             {% for choice in INSPECTION_RESULT_CHOICES_CONFIG %}
-                                <div class="col-6 mb-1">
+                                <div class="col-6 mb-1" id="edit_res_container_{{ choice.code }}">
                                     <input type="radio" class="btn-check" name="result_status" id="edit_res_{{ choice.code }}" value="{{ choice.code }}">
-                                    <label class="btn {{ choice.btn_class }} w-100 py-2 d-flex align-items-center justify-content-center gap-1" for="edit_res_{{ choice.code }}">
+                                    <label class="btn {{ choice.btn_class }} w-100 py-2 d-flex align-items-center justify-content-center gap-1" for="edit_res_{{ choice.code }}" id="edit_res_label_{{ choice.code }}">
                                         <i class="bi {{ choice.icon }}"></i>
                                         <span>{{ choice.label }}</span>
                                     </label>
@@ -453,6 +453,45 @@ document.addEventListener('DOMContentLoaded', function() {
 
     initEditInspectionPhotoHandler();
 
+    window.toggleEditMissingResultChoice = function(isDisabled, tooltipText) {
+        const radio = document.getElementById('edit_res_missing');
+        const label = document.getElementById('edit_res_label_missing') || document.querySelector('label[for="edit_res_missing"]');
+        const container = document.getElementById('edit_res_container_missing') || (radio ? radio.closest('.col-6') : null);
+        const defaultMsg = "{% filter escapejs %}{% translate 'Non applicable pour une zone (RWIZ)' %}{% endfilter %}";
+        const msg = tooltipText || defaultMsg;
+
+        if (radio) {
+            radio.disabled = Boolean(isDisabled);
+            if (isDisabled && radio.checked) {
+                const compliantRadio = document.getElementById('edit_res_compliant');
+                if (compliantRadio) {
+                    compliantRadio.checked = true;
+                    compliantRadio.dispatchEvent(new Event('change', { bubbles: true }));
+                }
+            }
+        }
+        if (label) {
+            if (isDisabled) {
+                label.classList.add('disabled');
+                label.style.pointerEvents = 'none';
+                label.style.opacity = '0.35';
+            } else {
+                label.classList.remove('disabled');
+                label.style.pointerEvents = '';
+                label.style.opacity = '';
+            }
+        }
+        if (container) {
+            if (isDisabled) {
+                container.style.cursor = 'not-allowed';
+                container.setAttribute('title', msg);
+            } else {
+                container.style.cursor = '';
+                container.removeAttribute('title');
+            }
+        }
+    };
+
     window.openEditInspectionModal = function(inspectionId) {
         if (!inspectionId) return;
 
@@ -498,9 +537,20 @@ document.addEventListener('DOMContentLoaded', function() {
                 document.getElementById('edit_insp_dates_info').textContent = datesText;
                 document.getElementById('edit_insp_current_status').textContent = data.result_status || '';
                 
+                if (typeof window.toggleEditMissingResultChoice === 'function') {
+                    window.toggleEditMissingResultChoice(Boolean(data.is_zone_rwiz));
+                }
+
                 // Pre-check result_status radio
                 const rad = document.getElementById('edit_res_' + data.result_status);
-                if (rad) rad.checked = true;
+                if (rad) {
+                    if (data.is_zone_rwiz && data.result_status === 'missing') {
+                        const compRad = document.getElementById('edit_res_compliant');
+                        if (compRad) compRad.checked = true;
+                    } else {
+                        rad.checked = true;
+                    }
+                }
 
                 if (document.getElementById('edit_insp_nature')) {
                     document.getElementById('edit_insp_nature').value = data.nature || 'visual';
@@ -683,5 +733,14 @@ document.addEventListener('DOMContentLoaded', function() {
             });
         });
     }
+
+    const editModalEl = document.getElementById('editInspectionModal');
+    if (editModalEl) {
+        editModalEl.addEventListener('hidden.bs.modal', function() {
+            if (typeof window.toggleEditMissingResultChoice === 'function') {
+                window.toggleEditMissingResultChoice(false);
+            }
+        });
+    }
 });
 </script>
diff --git a/loko/inspections/templates/inspections/components/inspection_form_modal.html b/loko/inspections/templates/inspections/components/inspection_form_modal.html
index 2895fee..e21fcfb 100644
--- a/loko/inspections/templates/inspections/components/inspection_form_modal.html
+++ b/loko/inspections/templates/inspections/components/inspection_form_modal.html
@@ -43,9 +43,9 @@
                             <div class="row g-2">
                                 {% for choice in INSPECTION_RESULT_CHOICES_CONFIG %}
                                     {% if choice.code != 'cancelled' %}
-                                    <div class="col-6 mb-1">
+                                    <div class="col-6 mb-1" id="res_container_{{ choice.code }}">
                                         <input type="radio" class="btn-check" name="result_status" id="res_{{ choice.code }}" value="{{ choice.code }}" {% if forloop.first %}checked{% endif %}>
-                                        <label class="btn {{ choice.btn_class }} w-100 py-2 d-flex align-items-center justify-content-center gap-1" for="res_{{ choice.code }}">
+                                        <label class="btn {{ choice.btn_class }} w-100 py-2 d-flex align-items-center justify-content-center gap-1" for="res_{{ choice.code }}" id="res_label_{{ choice.code }}">
                                             <i class="bi {{ choice.icon }}"></i>
                                             <span>{{ choice.label }}</span>
                                         </label>
@@ -168,3 +168,55 @@
         </div>
     </div>
 </div>
+
+<script>
+window.toggleMissingResultChoice = function(isDisabled, tooltipText) {
+    const radio = document.getElementById('res_missing');
+    const label = document.getElementById('res_label_missing') || document.querySelector('label[for="res_missing"]');
+    const container = document.getElementById('res_container_missing') || (radio ? radio.closest('.col-6, .col-4') : null);
+    const defaultMsg = "{% filter escapejs %}{% translate 'Non applicable pour une zone (RWIZ)' %}{% endfilter %}";
+    const msg = tooltipText || defaultMsg;
+
+    if (radio) {
+        radio.disabled = Boolean(isDisabled);
+        if (isDisabled && radio.checked) {
+            const compliantRadio = document.getElementById('res_compliant');
+            if (compliantRadio) {
+                compliantRadio.checked = true;
+                compliantRadio.dispatchEvent(new Event('change', { bubbles: true }));
+            }
+        }
+    }
+    if (label) {
+        if (isDisabled) {
+            label.classList.add('disabled');
+            label.style.pointerEvents = 'none';
+            label.style.opacity = '0.35';
+        } else {
+            label.classList.remove('disabled');
+            label.style.pointerEvents = '';
+            label.style.opacity = '';
+        }
+    }
+    if (container) {
+        if (isDisabled) {
+            container.style.cursor = 'not-allowed';
+            container.setAttribute('title', msg);
+        } else {
+            container.style.cursor = '';
+            container.removeAttribute('title');
+        }
+    }
+};
+
+document.addEventListener('DOMContentLoaded', function() {
+    const modalEl = document.getElementById('quickInspectionModal');
+    if (modalEl) {
+        modalEl.addEventListener('hidden.bs.modal', function() {
+            if (typeof window.toggleMissingResultChoice === 'function') {
+                window.toggleMissingResultChoice(false);
+            }
+        });
+    }
+});
+</script>
diff --git a/loko/inspections/tests.py b/loko/inspections/tests.py
index 8915019..26b8658 100644
--- a/loko/inspections/tests.py
+++ b/loko/inspections/tests.py
@@ -189,6 +189,62 @@ class InspectionModelAndViewsTestCase(TestCase):
         self.assertFalse(insp.orage_moins_une_heure)
         self.assertEqual(len(insp.data.get('ouvrages', [])), 1)
 
+    def test_create_giep_inspection_api_rejects_missing(self):
+        self.client.login(username='inspector_user', password='password123')
+        url = reverse('inspections:create_inspection_api')
+        response = self.client.post(url, {
+            'content_type_id': self.rwiz_ct.id,
+            'object_id': self.rwiz.id,
+            'result_status': 'missing',
+            'nature': 'visual',
+            'inspector_role': 'observer',
+        })
+        self.assertEqual(response.status_code, 400)
+        data = response.json()
+        self.assertFalse(data['success'])
+        self.assertIn("Absent / Retiré", data['error'])
+
+    def test_update_giep_inspection_api_rejects_missing(self):
+        self.client.login(username='inspector_user', password='password123')
+        insp = GiepInspection.objects.create(
+            asset_content_type=self.rwiz_ct,
+            asset_object_id=self.rwiz.id,
+            inspector=self.user,
+            result_status='compliant'
+        )
+        url = reverse('inspections:update_inspection_api', kwargs={'inspection_id': insp.id})
+        response = self.client.post(url, {
+            'result_status': 'missing'
+        })
+        self.assertEqual(response.status_code, 400)
+        data = response.json()
+        self.assertFalse(data['success'])
+        self.assertIn("Absent / Retiré", data['error'])
+
+    def test_get_inspection_detail_api_returns_is_zone_rwiz(self):
+        self.client.login(username='inspector_user', password='password123')
+        rwiz_insp = GiepInspection.objects.create(
+            asset_content_type=self.rwiz_ct,
+            asset_object_id=self.rwiz.id,
+            inspector=self.user,
+            result_status='compliant'
+        )
+        url_rwiz = reverse('inspections:get_inspection_detail_api', kwargs={'inspection_id': rwiz_insp.id})
+        resp_rwiz = self.client.get(url_rwiz)
+        self.assertEqual(resp_rwiz.status_code, 200)
+        self.assertTrue(resp_rwiz.json()['is_zone_rwiz'])
+
+        spot_insp = ParkingSpotInspection.objects.create(
+            asset_content_type=self.spot_ct,
+            asset_object_id=self.spot.id,
+            inspector=self.user,
+            result_status='compliant'
+        )
+        url_spot = reverse('inspections:get_inspection_detail_api', kwargs={'inspection_id': spot_insp.id})
+        resp_spot = self.client.get(url_spot)
+        self.assertEqual(resp_spot.status_code, 200)
+        self.assertFalse(resp_spot.json()['is_zone_rwiz'])
+
     def test_registry_giep_template(self):
         tmpl_rwiz = get_inspection_partial_template('naturerwiz')
         tmpl_asset = get_inspection_partial_template('naturerwiasset')
diff --git a/loko/inspections/views.py b/loko/inspections/views.py
index 04f086b..af34a9a 100644
--- a/loko/inspections/views.py
+++ b/loko/inspections/views.py
@@ -506,6 +506,12 @@ def create_inspection_api(request):
     is_giep = (content_type.model == 'naturerwiz')
     is_signpanel = (content_type.model == 'signpanel')
 
+    if is_giep and result_status == 'missing':
+        return JsonResponse({
+            'success': False,
+            'error': _("Le résultat 'Absent / Retiré' n'est pas applicable à une zone GIEP (RWIZ).")
+        }, status=400)
+
     try:
         if is_parking_spot:
             inspection = ParkingSpotInspection(
@@ -748,6 +754,11 @@ def get_inspection_detail_api(request, inspection_id):
         except Exception:
             rendered_detail_html = ''
 
+    is_zone_rwiz = bool(
+        (leaf.asset_content_type and leaf.asset_content_type.model == 'naturerwiz') or
+        (asset and asset.__class__.__name__ == 'NatureRWIZ')
+    )
+
     data = {
         'success': True,
         'id': leaf.id,
@@ -759,6 +770,7 @@ def get_inspection_detail_api(request, inspection_id):
         'thematic_name': thematic_name,
         'thematic_icon': thematic_icon,
         'asset_type_name': leaf.asset_content_type.name if leaf.asset_content_type else '',
+        'is_zone_rwiz': is_zone_rwiz,
         'result_status': leaf.result_status,
         'result_status_display': str(leaf.get_result_status_display()),
         'status_badge_class': leaf.status_badge_class,
@@ -833,7 +845,17 @@ def update_inspection_api(request, inspection_id):
 
     try:
         if 'result_status' in request.POST:
-            inspection.result_status = request.POST['result_status']
+            new_status = request.POST['result_status']
+            is_zone_rwiz = (
+                isinstance(inspection, GiepInspection) or
+                (inspection.asset_content_type and inspection.asset_content_type.model == 'naturerwiz')
+            )
+            if is_zone_rwiz and new_status == 'missing':
+                return JsonResponse({
+                    'success': False,
+                    'error': _("Le résultat 'Absent / Retiré' n'est pas applicable à une zone GIEP (RWIZ).")
+                }, status=400)
+            inspection.result_status = new_status
         if 'nature' in request.POST:
             inspection.nature = request.POST['nature']
         if 'inspector_role' in request.POST: