diff --git a/fusion_plating/fusion_plating/views/fp_process_node_views.xml b/fusion_plating/fusion_plating/views/fp_process_node_views.xml
index 88e3c0ea..b2ffdd34 100644
--- a/fusion_plating/fusion_plating/views/fp_process_node_views.xml
+++ b/fusion_plating/fusion_plating/views/fp_process_node_views.xml
@@ -132,6 +132,38 @@
                                    groups="fusion_plating.group_fusion_plating_supervisor"/>
                         </group>
                     </group>
+                    <!-- Certificate Output — recipe-level cert suppression
+                         (spec 2026-05-27). Recipe can SUPPRESS cert types
+                         the customer requested but never add new ones.
+                         Default True everywhere = inherit current behaviour.
+                         Flip OFF only for recipes that physically never
+                         produce that cert (passivation = no thickness,
+                         commodity ENP = no nadcap). -->
+                    <group string="Certificate Output"
+                           invisible="node_type != 'recipe'">
+                        <div class="alert alert-info" role="alert" colspan="2">
+                            <i class="fa fa-info-circle me-2"/>
+                            A recipe can only <strong>SUPPRESS</strong> certs
+                            the customer requested. Turn a toggle OFF for
+                            recipes that physically never produce that cert
+                            (e.g. passivation = thickness off; commodity ENP =
+                            nadcap off).
+                        </div>
+                        <group>
+                            <field name="requires_coc"
+                                   widget="boolean_toggle"/>
+                            <field name="requires_thickness_report"
+                                   widget="boolean_toggle"/>
+                            <field name="requires_nadcap_cert"
+                                   widget="boolean_toggle"/>
+                        </group>
+                        <group>
+                            <field name="requires_mill_test"
+                                   widget="boolean_toggle"/>
+                            <field name="requires_customer_specific"
+                                   widget="boolean_toggle"/>
+                        </group>
+                    </group>
                     <group>
                         <group string="Tracking">
                             <field name="create_date" string="Created"/>
diff --git a/fusion_plating/fusion_plating_certificates/views/fp_certificate_views.xml b/fusion_plating/fusion_plating_certificates/views/fp_certificate_views.xml
index f22d4bbf..8f084d3e 100644
--- a/fusion_plating/fusion_plating_certificates/views/fp_certificate_views.xml
+++ b/fusion_plating/fusion_plating_certificates/views/fp_certificate_views.xml
@@ -167,6 +167,18 @@
                             </field>
                         </page>
                         <page string="Certificate PDF" name="pdf">
+                            <!-- Manual-attach banner for orphan cert types
+                                 (Nadcap / Mill Test / Customer-Specific) —
+                                 spec 2026-05-27. action_issue refuses to
+                                 finalize these types without a PDF. -->
+                            <div class="alert alert-warning" role="alert"
+                                 invisible="certificate_type not in ('nadcap_cert', 'mill_test', 'customer_specific') or attachment_id">
+                                <i class="fa fa-info-circle me-2"/>
+                                This certificate type expects a PDF you upload
+                                from disk (supplier doc / regulator-issued cert
+                                / filled customer template). Auto-rendering is
+                                not provided.
+                            </div>
                             <group>
                                 <field name="attachment_id"/>
                             </group>
diff --git a/fusion_plating/fusion_plating_certificates/views/res_partner_views.xml b/fusion_plating/fusion_plating_certificates/views/res_partner_views.xml
index d1ca779b..2c85fe74 100644
--- a/fusion_plating/fusion_plating_certificates/views/res_partner_views.xml
+++ b/fusion_plating/fusion_plating_certificates/views/res_partner_views.xml
@@ -31,6 +31,18 @@
                             <field name="x_fc_send_packing_slip" widget="boolean_toggle"/>
                             <field name="x_fc_send_bol" widget="boolean_toggle"/>
                         </group>
+                        <!-- Aerospace / Defence cert toggles (spec 2026-05-27).
+                             Default OFF; flip ON for aerospace customers that
+                             demand Nadcap / MTR / customer-specific cert
+                             alongside the standard CoC. -->
+                        <separator string="Aerospace / Defence" colspan="2"/>
+                        <group>
+                            <field name="x_fc_send_nadcap_cert" widget="boolean_toggle"/>
+                            <field name="x_fc_send_mill_test" widget="boolean_toggle"/>
+                        </group>
+                        <group>
+                            <field name="x_fc_send_customer_specific" widget="boolean_toggle"/>
+                        </group>
                     </group>
                     <separator string="Default CoC Contact"/>
                     <p class="text-muted">