diff --git a/modules/purchase/CHANGELOG b/modules/purchase/CHANGELOG
index 4987b9d68d..9df4f63cdc 100644
--- a/modules/purchase/CHANGELOG
+++ b/modules/purchase/CHANGELOG
@@ -1,3 +1,4 @@
+* Add relate to purchase lines from party and product
 * Simplify relate to purchases
 * Prevent creation of lines for non draft purchases
 * Allow searching reporting records by name
diff --git a/modules/purchase/purchase.py b/modules/purchase/purchase.py
index ad2b75c368..972b3690fe 100644
--- a/modules/purchase/purchase.py
+++ b/modules/purchase/purchase.py
@@ -1066,7 +1066,7 @@ class Line(sequence_ordered(), ModelSQL, ModelView):
     actual_quantity = fields.Float(
         "Actual Quantity", digits='unit', readonly=True,
         states={
-            'invisible': Eval('type') != 'line',
+            'invisible': ((Eval('type') != 'line') | ~Eval('actual_quantity')),
             })
     unit = fields.Many2One('product.uom', 'Unit',
         ondelete='RESTRICT',
@@ -1205,10 +1205,20 @@ class Line(sequence_ordered(), ModelSQL, ModelView):
             })
     purchase_state = fields.Function(
         fields.Selection('get_purchase_states', 'Purchase State'),
-        'on_change_with_purchase_state')
+        'on_change_with_purchase_state', searcher='search_purchase_state')
     company = fields.Function(
         fields.Many2One('company.company', "Company"),
         'on_change_with_company')
+    supplier = fields.Function(
+        fields.Many2One(
+            'party.party', "Supplier",
+            context={
+                'company': Eval('company', -1),
+                }),
+        'on_change_with_supplier', searcher='search_supplier')
+    purchase_date = fields.Function(
+        fields.Date("Purchase Date"),
+        'on_change_with_purchase_date', searcher='search_purchase_date')
     currency = fields.Function(
         fields.Many2One('currency.currency', 'Currency'),
         'on_change_with_currency')
@@ -1223,6 +1233,8 @@ class Line(sequence_ordered(), ModelSQL, ModelView):
     def __setup__(cls):
         super().__setup__()
         cls.__access__.add('purchase')
+        cls._order.insert(0, ('purchase.purchase_date', 'DESC NULLS FIRST'))
+        cls._order.insert(1, ('purchase.id', 'DESC'))
 
     @classmethod
     def __register__(cls, module_name):
@@ -1517,11 +1529,38 @@ class Line(sequence_ordered(), ModelSQL, ModelView):
         if self.purchase:
             return self.purchase.state
 
+    @classmethod
+    def search_purchase_state(cls, name, clause):
+        return [('purchase.state', *clause[1:])]
+
     @fields.depends('purchase', '_parent_purchase.company')
     def on_change_with_company(self, name=None):
         if self.purchase and self.purchase.company:
             return self.purchase.company.id
 
+    @fields.depends('purchase', '_parent_purchase.party')
+    def on_change_with_supplier(self, name=None):
+        if self.purchase and self.purchase.party:
+            return self.purchase.party.id
+
+    @classmethod
+    def search_supplier(cls, name, clause):
+        return [('purchase.party' + clause[0][len(name):], *clause[1:])]
+
+    @fields.depends('purchase', '_parent_purchase.purchase_date')
+    def on_change_with_purchase_date(self, name=None):
+        if self.purchase:
+            return self.purchase.purchase_date
+
+    @classmethod
+    def search_purchase_date(cls, name, clause):
+        return [('purchase.purchase_date', *clause[1:])]
+
+    @classmethod
+    def order_purchase_date(cls, tables):
+        return cls.purchase.convert_order(
+            'purchase.purchase_date', tables, cls)
+
     @fields.depends('purchase', '_parent_purchase.currency')
     def on_change_with_currency(self, name=None):
         if self.purchase and self.purchase.currency:
diff --git a/modules/purchase/purchase.xml b/modules/purchase/purchase.xml
index b8d3d949a8..63dd7f7331 100644
--- a/modules/purchase/purchase.xml
+++ b/modules/purchase/purchase.xml
@@ -435,6 +435,74 @@ this repository contains the full copyright notices and license terms. -->
             <field name="name">purchase_line_tree_sequence</field>
         </record>
 
+        <record model="ir.action.act_window" id="act_purchase_line_relate">
+            <field name="name">Purchase Lines</field>
+            <field name="res_model">purchase.line</field>
+            <field
+                name="domain"
+                eval="[('type', '=', 'line'),
+                If(Eval('active_model') == 'purchase.purchase',
+                ('purchase', 'in', Eval('active_ids', [])), ()),
+                If(Eval('active_model') == 'product.product',
+                ('product', 'in', Eval('active_ids', [])), ()),
+                If(Eval('active_model') == 'product.template',
+                ('product.template.id', 'in', Eval('active_ids', [])), ()),
+                If(Eval('active_model') == 'party.party',
+                ('supplier', 'in', Eval('active_ids', [])), ()),
+                ]"
+                pyson="1"/>
+        </record>
+        <record model="ir.action.act_window.view" id="act_purchase_line_relate_view1">
+            <field name="sequence" eval="10"/>
+            <field name="view" ref="purchase_line_view_tree"/>
+            <field name="act_window" ref="act_purchase_line_relate"/>
+        </record>
+        <record model="ir.action.act_window.view" id="act_purchase_line_relate_view2">
+            <field name="sequence" eval="20"/>
+            <field name="view" ref="purchase_line_view_form"/>
+            <field name="act_window" ref="act_purchase_line_relate"/>
+        </record>
+        <record model="ir.action.act_window.domain" id="act_purchase_line_relate_pending">
+            <field name="name">Pending</field>
+            <field name="sequence" eval="10"/>
+            <field name="domain" eval="[('purchase_state', 'not in', ['done', 'cancelled'])]" pyson="1"/>
+            <field name="count" eval="True"/>
+            <field name="act_window" ref="act_purchase_line_relate"/>
+        </record>
+        <record model="ir.action.act_window.domain" id="act_purchase_line_relate_done">
+            <field name="name">Done</field>
+            <field name="sequence" eval="20"/>
+            <field name="domain" eval="[('purchase_state', '=', 'done')]" pyson="1"/>
+            <field name="count" eval="True"/>
+            <field name="act_window" ref="act_purchase_line_relate"/>
+        </record>
+        <record model="ir.action.act_window.domain" id="act_purchase_line_relate_all">
+            <field name="name">All</field>
+            <field name="sequence" eval="9999"/>
+            <field name="domain"></field>
+            <field name="act_window" ref="act_purchase_line_relate"/>
+        </record>
+        <record model="ir.action.keyword" id="act_purchase_line_relate_keyword_purchase">
+            <field name="keyword">form_relate</field>
+            <field name="model">purchase.purchase,-1</field>
+            <field name="action" ref="act_purchase_line_relate"/>
+        </record>
+        <record model="ir.action.keyword" id="act_purchase_line_relate_keyword_product">
+            <field name="keyword">form_relate</field>
+            <field name="model">product.product,-1</field>
+            <field name="action" ref="act_purchase_line_relate"/>
+        </record>
+        <record model="ir.action.keyword" id="act_purchase_line_relate_keyword_product_template">
+            <field name="keyword">form_relate</field>
+            <field name="model">product.template,-1</field>
+            <field name="action" ref="act_purchase_line_relate"/>
+        </record>
+        <record model="ir.action.keyword" id="act_purchase_line_relate_keyword_party">
+            <field name="keyword">form_relate</field>
+            <field name="model">party.party,-1</field>
+            <field name="action" ref="act_purchase_line_relate"/>
+        </record>
+
         <record model="ir.model.access" id="access_purchase_line_group_stock">
             <field name="model" search="[('model', '=', 'purchase.line')]"/>
             <field name="group" ref="stock.group_stock"/>
diff --git a/modules/purchase/view/party_form.xml b/modules/purchase/view/party_form.xml
index 956587a63e..5baf42b7cd 100644
--- a/modules/purchase/view/party_form.xml
+++ b/modules/purchase/view/party_form.xml
@@ -4,6 +4,7 @@ this repository contains the full copyright notices and license terms. -->
 <data>
     <xpath expr="//group[@id='links']" position="inside">
         <link icon="tryton-purchase" name="purchase.act_purchase_relate" empty="hide"/>
+        <link icon="tryton-purchase" name="purchase.act_purchase_line_relate" empty="hide"/>
     </xpath>
     <xpath expr="/form/notebook/page[@id='general']" position="after">
         <page string="Supplier" id="supplier">
diff --git a/modules/purchase/view/purchase_line_tree.xml b/modules/purchase/view/purchase_line_tree.xml
index 2c4704a5ac..f7ebffaed6 100644
--- a/modules/purchase/view/purchase_line_tree.xml
+++ b/modules/purchase/view/purchase_line_tree.xml
@@ -3,12 +3,15 @@
 this repository contains the full copyright notices and license terms. -->
 <tree>
     <field name="purchase" expand="1"/>
+    <field name="supplier" expand="1" optional="0"/>
+    <field name="purchase_date" optional="1"/>
     <field name="type" optional="1"/>
     <field name="product" expand="1" optional="0"/>
     <field name="product_supplier" expand="1" optional="1"/>
     <field name="summary" expand="1" optional="1"/>
-    <field name="quantity" symbol="unit"/>
+    <field name="actual_quantity" symbol="unit" optional="0"/>
+    <field name="quantity" symbol="unit" optional="0"/>
     <field name="unit_price"/>
-    <field name="taxes" optional="0"/>
     <field name="amount"/>
+    <field name="purchase_state"/>
 </tree>
diff --git a/modules/purchase/view/template_form.xml b/modules/purchase/view/template_form.xml
index e7931d5cb4..88bee12213 100644
--- a/modules/purchase/view/template_form.xml
+++ b/modules/purchase/view/template_form.xml
@@ -16,6 +16,10 @@ this repository contains the full copyright notices and license terms. -->
             <field name="purchase_uom"/>
             <field name="product_suppliers" colspan="4"
                 view_ids="purchase.product_supplier_view_tree_sequence"/>
+
+            <group id="suppliers_links" col="-1" colspan="4">
+                <link icon="tryton-purchase" name="purchase.act_purchase_line_relate" empty="hide"/>
+            </group>
         </page>
     </xpath>
 </data>
diff --git a/modules/sale/CHANGELOG b/modules/sale/CHANGELOG
index 5a9c94b8ed..4423edf490 100644
--- a/modules/sale/CHANGELOG
+++ b/modules/sale/CHANGELOG
@@ -1,3 +1,4 @@
+* Add relate to sale lines from party and product
 * Simplify relate to sales
 * Prevent creation of lines for non draft sales
 * Allow searching reporting records by name
diff --git a/modules/sale/sale.py b/modules/sale/sale.py
index c5ecc179fd..00375e2d50 100644
--- a/modules/sale/sale.py
+++ b/modules/sale/sale.py
@@ -1153,7 +1153,7 @@ class SaleLine(TaxableMixin, sequence_ordered(), ModelSQL, ModelView):
     actual_quantity = fields.Float(
         "Actual Quantity", digits='unit', readonly=True,
         states={
-            'invisible': Eval('type') != 'line',
+            'invisible': ((Eval('type') != 'line') | ~Eval('actual_quantity')),
             })
     unit = fields.Many2One('product.uom', 'Unit', ondelete='RESTRICT',
             states={
@@ -1255,10 +1255,20 @@ class SaleLine(TaxableMixin, sequence_ordered(), ModelSQL, ModelView):
         'on_change_with_shipping_date')
     sale_state = fields.Function(
         fields.Selection('get_sale_states', "Sale State"),
-        'on_change_with_sale_state')
+        'on_change_with_sale_state', searcher='search_sale_state')
     company = fields.Function(
         fields.Many2One('company.company', "Company"),
         'on_change_with_company')
+    customer = fields.Function(
+        fields.Many2One(
+            'party.party', "Customer",
+            context={
+                'company': Eval('company', -1),
+                }),
+        'on_change_with_customer', searcher='search_customer')
+    sale_date = fields.Function(
+        fields.Date("Sale Date"),
+        'on_change_with_sale_date', searcher='search_sale_date')
 
     @classmethod
     def get_move_product_types(cls):
@@ -1270,6 +1280,8 @@ class SaleLine(TaxableMixin, sequence_ordered(), ModelSQL, ModelView):
     def __setup__(cls):
         super().__setup__()
         cls.__access__.add('sale')
+        cls._order.insert(0, ('sale.sale_date', 'DESC NULLS FIRST'))
+        cls._order.insert(1, ('sale.id', 'DESC'))
 
     @classmethod
     def __register__(cls, module_name):
@@ -1536,11 +1548,37 @@ class SaleLine(TaxableMixin, sequence_ordered(), ModelSQL, ModelView):
         if self.sale:
             return self.sale.state
 
+    @classmethod
+    def search_sale_state(cls, name, clause):
+        return [('sale.state', *clause[1:])]
+
     @fields.depends('sale', '_parent_sale.company')
     def on_change_with_company(self, name=None):
         if self.sale and self.sale.company:
             return self.sale.company.id
 
+    @fields.depends('sale', '_parent_sale.party')
+    def on_change_with_customer(self, name=None):
+        if self.sale and self.sale.party:
+            return self.sale.party.id
+
+    @classmethod
+    def search_customer(cls, name, clause):
+        return [('sale.party' + clause[0][len(name):], *clause[1:])]
+
+    @fields.depends('sale', '_parent_sale.sale_date')
+    def on_change_with_sale_date(self, name=None):
+        if self.sale:
+            return self.sale.sale_date
+
+    @classmethod
+    def search_sale_date(cls, name, clause):
+        return [('sale.sale_date', *clause[1:])]
+
+    @classmethod
+    def order_sale_date(cls, tables):
+        return cls.sale.convert_order('sale.sale_date', tables, cls)
+
     def get_invoice_line(self):
         'Return a list of invoice lines for sale line'
         pool = Pool()
diff --git a/modules/sale/sale.xml b/modules/sale/sale.xml
index 1bd77698dc..c5f362d657 100644
--- a/modules/sale/sale.xml
+++ b/modules/sale/sale.xml
@@ -419,6 +419,74 @@ this repository contains the full copyright notices and license terms. -->
             <field name="name">sale_line_tree_sequence</field>
         </record>
 
+        <record model="ir.action.act_window" id="act_sale_line_relate">
+            <field name="name">Sale Lines</field>
+            <field name="res_model">sale.line</field>
+            <field
+                name="domain"
+                eval="[('type', '=', 'line'),
+                If(Eval('active_model') == 'sale.sale',
+                ('sale', 'in', Eval('active_ids', [])), ()),
+                If(Eval('active_model') == 'product.product',
+                ('product', 'in', Eval('active_ids', [])), ()),
+                If(Eval('active_model') == 'product.template',
+                ('product.template.id', 'in', Eval('active_ids', [])), ()),
+                If(Eval('active_model') == 'party.party',
+                ('customer', 'in', Eval('active_ids', [])), ()),
+                ]"
+                pyson="1"/>
+        </record>
+        <record model="ir.action.act_window.view" id="act_sale_line_relate_view1">
+            <field name="sequence" eval="10"/>
+            <field name="view" ref="sale_line_view_tree"/>
+            <field name="act_window" ref="act_sale_line_relate"/>
+        </record>
+        <record model="ir.action.act_window.view" id="act_sale_line_relate_view2">
+            <field name="sequence" eval="20"/>
+            <field name="view" ref="sale_line_view_form"/>
+            <field name="act_window" ref="act_sale_line_relate"/>
+        </record>
+        <record model="ir.action.act_window.domain" id="act_sale_line_relate_pending">
+            <field name="name">Pending</field>
+            <field name="sequence" eval="10"/>
+            <field name="domain" eval="[('sale_state', 'not in', ['done', 'cancelled'])]" pyson="1"/>
+            <field name="count" eval="True"/>
+            <field name="act_window" ref="act_sale_line_relate"/>
+        </record>
+        <record model="ir.action.act_window.domain" id="act_sale_line_relate_done">
+            <field name="name">Done</field>
+            <field name="sequence" eval="20"/>
+            <field name="domain" eval="[('sale_state', '=', 'done')]" pyson="1"/>
+            <field name="count" eval="True"/>
+            <field name="act_window" ref="act_sale_line_relate"/>
+        </record>
+        <record model="ir.action.act_window.domain" id="act_sale_line_relate_all">
+            <field name="name">All</field>
+            <field name="sequence" eval="9999"/>
+            <field name="domain"></field>
+            <field name="act_window" ref="act_sale_line_relate"/>
+        </record>
+        <record model="ir.action.keyword" id="act_sale_line_relate_keyword_sale">
+            <field name="keyword">form_relate</field>
+            <field name="model">sale.sale,-1</field>
+            <field name="action" ref="act_sale_line_relate"/>
+        </record>
+        <record model="ir.action.keyword" id="act_sale_line_relate_keyword_product">
+            <field name="keyword">form_relate</field>
+            <field name="model">product.product,-1</field>
+            <field name="action" ref="act_sale_line_relate"/>
+        </record>
+        <record model="ir.action.keyword" id="act_sale_line_relate_keyword_product_template">
+            <field name="keyword">form_relate</field>
+            <field name="model">product.template,-1</field>
+            <field name="action" ref="act_sale_line_relate"/>
+        </record>
+        <record model="ir.action.keyword" id="act_sale_line_relate_keyword_party">
+            <field name="keyword">form_relate</field>
+            <field name="model">party.party,-1</field>
+            <field name="action" ref="act_sale_line_relate"/>
+        </record>
+
         <record model="ir.ui.view" id="return_sale_start_view_form">
             <field name="model">sale.return_sale.start</field>
             <field name="type">form</field>
diff --git a/modules/sale/view/party_form.xml b/modules/sale/view/party_form.xml
index 23b5098291..ff63233c6d 100644
--- a/modules/sale/view/party_form.xml
+++ b/modules/sale/view/party_form.xml
@@ -4,6 +4,7 @@ this repository contains the full copyright notices and license terms. -->
 <data>
     <xpath expr="//group[@id='links']" position="inside">
         <link icon="tryton-sale" name="sale.act_sale_relate" empty="hide"/>
+        <link icon="tryton-sale" name="sale.act_sale_line_relate" empty="hide"/>
     </xpath>
     <xpath expr="/form/notebook" position="inside">
         <page id="sale" string="Sale">
diff --git a/modules/sale/view/sale_line_tree.xml b/modules/sale/view/sale_line_tree.xml
index 2836c9272f..9907150946 100644
--- a/modules/sale/view/sale_line_tree.xml
+++ b/modules/sale/view/sale_line_tree.xml
@@ -3,11 +3,14 @@
 this repository contains the full copyright notices and license terms. -->
 <tree>
     <field name="sale" expand="1"/>
+    <field name="customer" expand="1" optional="0"/>
+    <field name="sale_date" optional="1"/>
     <field name="type" optional="1"/>
     <field name="product" expand="1" optional="0"/>
     <field name="summary" expand="1" optional="1"/>
-    <field name="quantity" symbol="unit"/>
+    <field name="actual_quantity" symbol="unit" optional="0"/>
+    <field name="quantity" symbol="unit" optional="0"/>
     <field name="unit_price"/>
-    <field name="taxes" optional="0"/>
     <field name="amount"/>
+    <field name="sale_state"/>
 </tree>
diff --git a/modules/sale/view/template_form.xml b/modules/sale/view/template_form.xml
index dbb109423d..a0f5c9130b 100644
--- a/modules/sale/view/template_form.xml
+++ b/modules/sale/view/template_form.xml
@@ -15,6 +15,10 @@ this repository contains the full copyright notices and license terms. -->
             <field name="sale_uom"/>
             <label name="lead_time"/>
             <field name="lead_time"/>
+
+            <group id="customers_links" col="-1" colspan="4">
+                <link icon="tryton-sale" name="sale.act_sale_line_relate" empty="hide"/>
+            </group>
         </page>
     </xpath>
 </data>