diff --git a/modules/purchase_trade/backtoback.xml b/modules/purchase_trade/backtoback.xml
index 0facbc1..262e01c 100644
--- a/modules/purchase_trade/backtoback.xml
+++ b/modules/purchase_trade/backtoback.xml
@@ -17,6 +17,17 @@
             <field name="name">purchase_btb_form</field>
         </record>
 
+        <record model="ir.ui.view" id="purchase_line_btb_view_form">
+            <field name="model">purchase.line</field>
+            <field name="type">form</field>
+            <field name="name">purchase_line_btb_form</field>
+        </record>
+        <record model="ir.ui.view" id="sale_line_btb_view_form">
+            <field name="model">sale.line</field>
+            <field name="type">form</field>
+            <field name="name">sale_line_btb_form</field>
+        </record>
+
         <record model="ir.ui.view" id="btb_view_list">
             <field name="model">back.to.back</field>
             <field name="type">tree</field>
diff --git a/modules/purchase_trade/view/purchase_btb_form.xml b/modules/purchase_trade/view/purchase_btb_form.xml
index 072f6ae..ad2e6bb 100644
--- a/modules/purchase_trade/view/purchase_btb_form.xml
+++ b/modules/purchase_trade/view/purchase_btb_form.xml
@@ -26,8 +26,8 @@ this repository contains the full copyright notices and license terms. -->
     </group> -->
     <notebook>
         <page string="Purchase" id="purchase">
-            <field name="lines"/>
-                <!-- view_ids="purchase.purchase_line_view_tree_sequence"/> -->
+            <field name="lines"
+                mode="form" view_ids="purchase_trade.purchase_line_btb_view_form"/>
             <!-- <notebook colspan="6">
                 <page string="State" id="state">
                     <group col="2" colspan="2" id="states" yfill="1">
diff --git a/modules/purchase_trade/view/purchase_line_btb_form.xml b/modules/purchase_trade/view/purchase_line_btb_form.xml
new file mode 100644
index 0000000..1284c25
--- /dev/null
+++ b/modules/purchase_trade/view/purchase_line_btb_form.xml
@@ -0,0 +1,38 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<form cursor="product">
+    <label name="purchase"/>
+    <field name="purchase"/>
+    <notebook>
+        <page string="General" id="general">
+            <label name="product"/>
+            <field name="product"
+                view_ids="purchase.product_view_list_purchase_line"/>
+            <label name="product_supplier"/>
+            <field name="product_supplier"/>
+            <newline/>
+            <label id="delivery_date" string="Delivery Date:"/>
+            <group id="delivery_date" col="-1">
+                <field name="delivery_date" xexpand="0"/>
+                <field name="delivery_date_edit" xexpand="0" xalign="0"/>
+            </group>
+            <label name="del_period"/>
+            <field name="del_period"/>
+            <newline/>
+            <label name="from_del"/>
+            <field name="from_del"/>
+            <label name="to_del"/>
+            <field name="to_del"/>
+            <newline/>
+            <label name="quantity"/>
+            <field name="quantity"/>
+            <label name="unit"/>
+            <field name="unit"/>
+            <label name="unit_price"/>
+            <field name="unit_price"/>
+            <label name="amount"/>
+            <field name="amount"/>
+        </page>
+    </notebook>
+</form>
diff --git a/modules/purchase_trade/view/sale_btb_form.xml b/modules/purchase_trade/view/sale_btb_form.xml
index c19740d..0890e90 100644
--- a/modules/purchase_trade/view/sale_btb_form.xml
+++ b/modules/purchase_trade/view/sale_btb_form.xml
@@ -28,8 +28,8 @@ this repository contains the full copyright notices and license terms. -->
     </group> -->
     <notebook>
         <page string="Sale" id="sale">
-            <field name="lines"/>
-                <!-- view_ids="sale.sale_line_view_tree_sequence"/> -->
+            <field name="lines"
+                mode="form" view_ids="purchase_trade.sale_line_btb_view_form"/>
             <!-- <notebook colspan="6">
                 <page string="State" id="state">
                     <group col="2" colspan="2" id="states" yfill="1">
diff --git a/modules/purchase_trade/view/sale_line_btb_form.xml b/modules/purchase_trade/view/sale_line_btb_form.xml
new file mode 100644
index 0000000..becf4d0
--- /dev/null
+++ b/modules/purchase_trade/view/sale_line_btb_form.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<form cursor="product">
+    <label name="sale"/>
+    <field name="sale"/>
+    <label name="type"/>
+    <field name="type"/>
+    <label name="sequence"/>
+    <field name="sequence"/>
+    <notebook>
+        <page string="General" id="general">
+            <label name="product"/>
+            <field name="product"
+                view_ids="sale.product_view_list_sale_line"/>
+            <newline/>
+            <label name="del_period"/>
+            <field name="del_period"/>
+            <newline/>
+            <label name="from_del"/>
+            <field name="from_del"/>
+            <label name="to_del"/>
+            <field name="to_del"/>
+            <newline/>
+            <label name="quantity"/>
+            <field name="quantity"/>
+            <label name="unit"/>
+            <field name="unit"/>
+            <label name="unit_price"/>
+            <field name="unit_price"/>
+            <label name="amount"/>
+            <field name="amount"/>
+            <label name="shipping_date"/>
+            <field name="shipping_date"/>
+        </page>
+    </notebook>
+</form>