diff --git a/modules/purchase_trade/view/purchase_form.xml b/modules/purchase_trade/view/purchase_form.xml
index 66717fb..ff24cba 100755
--- a/modules/purchase_trade/view/purchase_form.xml
+++ b/modules/purchase_trade/view/purchase_form.xml
@@ -53,8 +53,9 @@ this repository contains the full copyright notices and license terms. -->
                     <field name="product_origin"/>
                     <label name="tolerance_option"/>
                     <field name="tolerance_option"/>
+                    <label name="certif"/>
+                    <field name="certif"/>
                 </group>
-                <field name="certif" invisible="1"/>
             </group>
 
             <group id="purchase_execution" string="People &amp; Execution"
diff --git a/modules/purchase_trade/view/sale_form.xml b/modules/purchase_trade/view/sale_form.xml
index 9aecdb3..5b63e5c 100755
--- a/modules/purchase_trade/view/sale_form.xml
+++ b/modules/purchase_trade/view/sale_form.xml
@@ -53,8 +53,9 @@ this repository contains the full copyright notices and license terms. -->
                     <field name="product_origin"/>
                     <label name="tolerance_option"/>
                     <field name="tolerance_option"/>
+                    <label name="certif"/>
+                    <field name="certif"/>
                 </group>
-                <field name="certif" invisible="1"/>
             </group>
 
             <group id="sale_execution" string="People &amp; Execution"
diff --git a/modules/stock/.~lock.linkage.fodt# b/modules/stock/.~lock.linkage.fodt#
new file mode 100644
index 0000000..326ddf3
--- /dev/null
+++ b/modules/stock/.~lock.linkage.fodt#
@@ -0,0 +1 @@
+,PC_LO/baron,PC_LO,14.07.2026 15:18,file:///C:/Users/baron/AppData/Roaming/LibreOffice/4;
\ No newline at end of file