diff --git a/account_usability/account_view.xml b/account_usability/account_view.xml
index 066fb49..b11b8ad 100644
--- a/account_usability/account_view.xml
+++ b/account_usability/account_view.xml
@@ -148,7 +148,7 @@ module -->
 <record id="out_invoice_line_action" model="ir.actions.act_window">
     <field name="name">Customer Invoice Lines</field>
     <field name="res_model">account.invoice.line</field>
-    <field name="view_mode">tree,form</field>
+    <field name="view_mode">tree</field>  <!-- no access to form view until we have a proper readonly system for non draft invoices -->
     <field name="domain">[('invoice_type', '=', 'out_invoice')]</field>
     <field name="context">{'show_invoice_fields': True}</field>
 </record>
@@ -156,7 +156,7 @@ module -->
 <record id="out_refund_line_action" model="ir.actions.act_window">
     <field name="name">Customer Refund Lines</field>
     <field name="res_model">account.invoice.line</field>
-    <field name="view_mode">tree,form</field>
+    <field name="view_mode">tree</field>  <!-- no access to form view until we have a proper readonly system for non draft invoices -->
     <field name="domain">[('invoice_type', '=', 'out_refund')]</field>
     <field name="context">{'show_invoice_fields': True}</field>
 </record>
@@ -164,7 +164,7 @@ module -->
 <record id="out_invoice_refund_line_action" model="ir.actions.act_window">
     <field name="name">Customer Invoice Lines</field>
     <field name="res_model">account.invoice.line</field>
-    <field name="view_mode">tree,form</field>
+    <field name="view_mode">tree</field>  <!-- no access to form view until we have a proper readonly system for non draft invoices -->
     <field name="domain">[('invoice_type', 'in', ('out_invoice', 'out_refund'))]</field>
     <field name="context">{'show_invoice_fields': True}</field>
 </record>
@@ -172,7 +172,7 @@ module -->
 <record id="in_invoice_line_action" model="ir.actions.act_window">
     <field name="name">Supplier Invoice Lines</field>
     <field name="res_model">account.invoice.line</field>
-    <field name="view_mode">tree,form</field>
+    <field name="view_mode">tree</field>  <!-- no access to form view until we have a proper readonly system for non draft invoices -->
     <field name="domain">[('invoice_type', '=', 'in_invoice')]</field>
     <field name="context">{'show_invoice_fields': True}</field>
 </record>
@@ -180,7 +180,7 @@ module -->
 <record id="in_refund_line_action" model="ir.actions.act_window">
     <field name="name">Supplier Refund Lines</field>
     <field name="res_model">account.invoice.line</field>
-    <field name="view_mode">tree,form</field>
+    <field name="view_mode">tree</field>  <!-- no access to form view until we have a proper readonly system for non draft invoices -->
     <field name="domain">[('invoice_type', '=', 'in_refund')]</field>
     <field name="context">{'show_invoice_fields': True}</field>
 </record>
@@ -188,7 +188,7 @@ module -->
 <record id="in_invoice_refund_line_action" model="ir.actions.act_window">
     <field name="name">Supplier Invoice Lines</field>
     <field name="res_model">account.invoice.line</field>
-    <field name="view_mode">tree,form</field>
+    <field name="view_mode">tree</field>  <!-- no access to form view until we have a proper readonly system for non draft invoices -->
     <field name="domain">[('invoice_type', 'in', ('in_invoice', 'in_refund'))]</field>
     <field name="context">{'show_invoice_fields': True}</field>
 </record>