diff --git a/config.html b/config.html
index e3b2a36..4215003 100644
--- a/config.html
+++ b/config.html
@@ -15,10 +15,14 @@
                 {{:assign var="input_fields." label=$field.label|trim owner=$field.owner|boolval}}
         {{/foreach}}
 
+        {{#foreach from=$_POST.output_fields|array_transpose item="field"}}
+                {{:assign var="output_fields." label=$field.label|trim final=$field.final|boolval}}
+        {{/foreach}}
+
         {{:save key="config"
                 validate_schema="./config.schema.json"
                 inputNature=$input_fields
-                outputNature=$_POST.output_fields
+                outputNature=$output_fields
         }}
 	{{:redirect to="./config.html?ok=1"}}
 {{/form}}
@@ -31,10 +35,10 @@
 {{:assign var='types_entrees.Emprunt' value=0}}
 
 {{* types de sorties par défaut *}}
-{{:assign var='types_sorties.' value='Vente'}}
-{{:assign var='types_sorties.' value='Don'}}
-{{:assign var='types_sorties.' value='Location'}}
-{{:assign var='types_sorties.' value='Prêt'}}
+{{:assign var='types_sorties.Vente' value=1}}
+{{:assign var='types_sorties.Don' value=1}}
+{{:assign var='types_sorties.Location' value=0}}
+{{:assign var='types_sorties.Prêt' value=0}}
 
 <form method="post" action="">
 <fieldset>
@@ -43,7 +47,7 @@
     <thead>
       <tr>
         <th>Type d'entrée</th>
-        <th>Propriétaire ? <br/> <span class="help" style="font-weight:normal">Cocher si l'association devient propriétaire du matériel</span></th>
+        <th>Propriétaire ? <br/><span class="help" style="font-weight:normal">Cocher si l'association devient propriétaire du matériel</span></th>
         <th>Action</th>
       </tr>
     </thead>
@@ -94,21 +98,36 @@
     <thead>
       <tr>
         <th>Type de sortie</th>
+        <th>Définitif ? <br/><span class="help" style="font-weight:normal">Cocher si la sortie est définitive</span></th>
         <th>Action</th>
       </tr>
     </thead>
     <tbody id="output_body">
         {{#foreach from=$module.config.outputNature item="output_field"}}
         <tr>
-          <td>{{:input type="text" name="output_fields[]" default=$output_field.label}}</td>
+          <td>{{:input type="text" name="output_fields[label][]" default=$output_field.label}}</td>
+          <td>
+            <label>
+              {{:input type="hidden" name="output_fields[final][]" value=0}}
+              {{:input type="checkbox" name="output_fields[final][]" value=1 default=$output_field.final}}
+              Définitif ?
+            </label>
+          </td>
           <td class="action">
             {{:button label="Retirer" shape="minus" onclick="this.parentNode.parentNode.remove();"}}
           </td>
         </tr>
         {{else}}
-        {{#foreach from=$types_sorties item="value"}}
+        {{#foreach from=$types_sorties key="label" item="value"}}
         <tr>
-          <td>{{:input type="text" name="output_fields[]" default=$value}}</td>
+          <td>{{:input type="text" name="output_fields[label][]" default=$label}}</td>
+          <td>
+            <label>
+              {{:input type="hidden" name="output_fields[final][]" value=0}}
+              {{:input type="checkbox" name="output_fields[final][]" value=1 default=$value}}
+              Définitif ?
+            </label>
+          </td>
           <td class="action">
             {{:button label="Retirer" shape="minus" onclick="this.parentNode.parentNode.remove();"}}
           </td>
@@ -131,7 +150,7 @@
     label="Enregistrer"
     shape="right"
     class="main"
-    onclick="return desactiverCache('#input_body');"
+    onclick="return desactiverCache('#input_body', '#output_body');"
   }}
 </p>
 </form>
@@ -152,12 +171,14 @@
     }
 
     // Désactiver les champs caché des checkbox cochés
-    function desactiverCache(id_body) {
-        for (let ligne of document.querySelector(id_body).children) {
-            let idCase = ligne.querySelector("input[type=checkbox]");
-            let cache = ligne.querySelector("input[type=hidden]"); // le champ caché
-            if (idCase.checked) {
-                cache.disabled = true;
+    function desactiverCache(...id_body) {
+        for (const id of id_body) {
+            for (let ligne of document.querySelector(id).children) {
+                let idCase = ligne.querySelector("input[type=checkbox]");
+                let cache = ligne.querySelector("input[type=hidden]"); // le champ caché
+                if (idCase.checked) {
+                    cache.disabled = true;
+                }
             }
         }
     }
diff --git a/config.schema.json b/config.schema.json
index fd22ed7..0acbb84 100644
--- a/config.schema.json
+++ b/config.schema.json
@@ -19,9 +19,17 @@
         },
         "outputNature": {
             "description": "Nature des sorties",
-            "type": "array",
+            "type": ["array", "null"], 
             "items": {
-		"type": "string"
+		"type": "object",
+                "properties": {
+                    "label" : {
+                        "type" : "string"
+                    },
+                    "final" : {
+                        "type" : "boolean"
+                    }
+                }
             }
         }
     }