diff --git a/addons/purchase_requisition/models/purchase_requisition.py b/addons/purchase_requisition/models/purchase_requisition.py
index ec8cf2d826e..dffda14ab6e 100644
--- a/addons/purchase_requisition/models/purchase_requisition.py
+++ b/addons/purchase_requisition/models/purchase_requisition.py
@@ -50,9 +50,9 @@ class PurchaseRequisition(models.Model):
     order_count = fields.Integer(compute='_compute_orders_number', string='Number of Orders')
     vendor_id = fields.Many2one('res.partner', string="Vendor")
     type_id = fields.Many2one('purchase.requisition.type', string="Agreement Type", required=True, default=_get_type_id)
-    ordering_date = fields.Date(string="Ordering Date")
-    date_end = fields.Datetime(string='Agreement Deadline')
-    schedule_date = fields.Date(string='Delivery Date', index=True, help="The expected and scheduled delivery date where all the products are received")
+    ordering_date = fields.Date(string="Ordering Date", track_visibility='onchange')
+    date_end = fields.Datetime(string='Agreement Deadline', track_visibility='onchange')
+    schedule_date = fields.Date(string='Delivery Date', index=True, help="The expected and scheduled delivery date where all the products are received", track_visibility='onchange')
     user_id = fields.Many2one('res.users', string='Purchase Representative', default= lambda self: self.env.user)
     description = fields.Text()
     company_id = fields.Many2one('res.company', string='Company', required=True, default=lambda self: self.env['res.company']._company_default_get('purchase.requisition'))
@@ -104,6 +104,8 @@ class PurchaseRequisition(models.Model):
     def action_cancel(self):
         # try to set all associated quotations to cancel state
         for requisition in self:
+            for requisition_line in requisition.line_ids:
+                requisition_line.supplier_info_ids.unlink()
             requisition.purchase_ids.button_cancel()
             for po in requisition.purchase_ids:
                 po.message_post(body=_('Cancelled by the agreement associated to this quotation.'))
@@ -112,7 +114,15 @@ class PurchaseRequisition(models.Model):
     @api.multi
     def action_in_progress(self):
         if not all(obj.line_ids for obj in self):
-            raise UserError(_('You cannot confirm call because there is no product line.'))
+            raise UserError(_('You cannot confirm agreement because there is no product line.'))
+        for requisition in self:
+            if requisition.type_id.quantity_copy == 'none' and requisition.vendor_id:
+                for requisition_line in requisition.line_ids:
+                    if requisition_line.price_unit <= 0.0:
+                        raise UserError(_('You cannot confirm the blanket order without price.'))
+                    if requisition_line.product_qty <= 0.0:
+                        raise UserError(_('You cannot confirm the blanket order without quantity.'))
+                    requisition_line.create_supplier_info()
         self.write({'state': 'in_progress'})
 
     @api.multi
@@ -130,6 +140,9 @@ class PurchaseRequisition(models.Model):
         """
         if any(purchase_order.state in ['draft', 'sent', 'to approve'] for purchase_order in self.mapped('purchase_ids')):
             raise UserError(_('You have to cancel or validate every RfQ before closing the purchase requisition.'))
+        for requisition in self:
+            for requisition_line in requisition.line_ids:
+                requisition_line.supplier_info_ids.unlink()
         self.write({'state': 'done'})
 
     def _prepare_tender_values(self, product_id, product_qty, product_uom, location_id, name, origin, values):
@@ -146,6 +159,18 @@ class PurchaseRequisition(models.Model):
             })],
         }
 
+    def unlink(self):
+        if any(requisition.state not in ('draft', 'cancel') for requisition in self):
+            raise UserError(_('You can only delete draft requisitions.'))
+        # Draft requisitions could have some requisition lines.
+        self.mapped('requisition_line_ids').unlink()
+        return super(PurchaseRequisition, self).unlink()
+
+class SupplierInfo(models.Model):
+    _inherit = "product.supplierinfo"
+    purchase_requisition_id = fields.Many2one('purchase.requisition', related='purchase_requisition_line_id.requisition_id', string='Blanket order')
+    purchase_requisition_line_id = fields.Many2one('purchase.requisition.line')
+
 
 class PurchaseRequisitionLine(models.Model):
     _name = "purchase.requisition.line"
@@ -157,11 +182,50 @@ class PurchaseRequisitionLine(models.Model):
     product_qty = fields.Float(string='Quantity', digits=dp.get_precision('Product Unit of Measure'))
     price_unit = fields.Float(string='Unit Price', digits=dp.get_precision('Product Price'))
     qty_ordered = fields.Float(compute='_compute_ordered_qty', string='Ordered Quantities')
-    requisition_id = fields.Many2one('purchase.requisition', string='Purchase Agreement', ondelete='cascade')
+    requisition_id = fields.Many2one('purchase.requisition', required=True, string='Purchase Agreement', ondelete='cascade')
     company_id = fields.Many2one('res.company', related='requisition_id.company_id', string='Company', store=True, readonly=True, default= lambda self: self.env['res.company']._company_default_get('purchase.requisition.line'))
     account_analytic_id = fields.Many2one('account.analytic.account', string='Analytic Account')
     schedule_date = fields.Date(string='Scheduled Date')
     move_dest_id = fields.Many2one('stock.move', 'Downstream Move')
+    supplier_info_ids = fields.One2many('product.supplierinfo', 'purchase_requisition_line_id')
+
+    @api.multi
+    def create(self,vals):
+        res = super(PurchaseRequisitionLine, self).create(vals)
+        if res.requisition_id.state not in ['draft', 'cancel', 'done'] and res.requisition_id.is_quantity_copy == 'none':
+            supplier_infos = self.env['product.supplierinfo'].search([
+                ('product_id', '=', vals.get('product_id')),
+                ('name', '=', res.requisition_id.vendor_id.id),
+            ])
+            if not [s.requisition_id for s in supplier_infos]:
+                res.create_supplier_info()
+        return res
+
+    @api.multi
+    def write(self, vals):
+        res = super(PurchaseRequisitionLine, self).write(vals)
+        if 'price_unit' in vals:
+            # If the price is updated, we have to update the related SupplierInfo
+            self.supplier_info_ids.write({'price': vals['price_unit']})
+        return res
+
+    def unlink(self):
+        if self.requisition_id.state not in ['draft', 'cancel', 'done']:
+            self.supplier_info_ids.unlink()
+        return super(PurchaseRequisitionLine, self).unlink()
+
+    def create_supplier_info(self):
+        purchase_requisition = self.requisition_id
+        if purchase_requisition.type_id.quantity_copy == 'none' and purchase_requisition.vendor_id:
+            # create a supplier_info only in case of blanket order
+            self.env['product.supplierinfo'].create({
+                'name': purchase_requisition.vendor_id.id,
+                'product_id': self.product_id.id,
+                'product_tmpl_id': self.product_id.product_tmpl_id.id,
+                'price': self.price_unit,
+                'purchase_requisition_id': purchase_requisition.id,
+                'purchase_requisition_line_id': self.id,
+            })
 
     @api.multi
     @api.depends('requisition_id.purchase_ids.state')
diff --git a/addons/purchase_requisition/tests/test_purchase_requisition.py b/addons/purchase_requisition/tests/test_purchase_requisition.py
index 1ddbed67bf8..537d1121e24 100644
--- a/addons/purchase_requisition/tests/test_purchase_requisition.py
+++ b/addons/purchase_requisition/tests/test_purchase_requisition.py
@@ -72,3 +72,50 @@ class TestPurchaseRequisition(common.TransactionCase):
         po_dict = purchase_order._convert_to_write({name: purchase_order[name] for name in purchase_order._cache})
         self.po_requisition = PurchaseOrder.create(po_dict)
         self.assertEqual(len(self.po_requisition.order_line), 1, 'Purchase order should have one line')
+
+    def test_03_purchase_requisition(self):
+        price_product09 = 34
+        price_product13 = 62
+        quantity = 26
+        # Create a pruchase requisition with type blanket order and two product
+        line1 = (0, 0, {'product_id': self.product_09_id, 'product_qty': quantity, 'product_uom_id': self.product_09_uom_id, 'price_unit': price_product09})
+
+        self.product_13_uom_id = self.ref('product.product_uom_unit')
+        line2 = (0, 0, {'product_id': self.product_13_id, 'product_qty': quantity, 'product_uom_id': self.product_13_uom_id, 'price_unit': price_product13})
+
+        requisition_type = self.env['purchase.requisition.type'].create({
+            'name': 'Blanket test',
+            'quantity_copy': 'none'
+        })
+        requisition_blanket = self.env['purchase.requisition'].create({
+            'line_ids': [line1, line2],
+            'type_id': requisition_type.id,
+            'vendor_id': self.res_partner_1_id
+        })
+
+        # confirm the requisition
+        requisition_blanket.action_in_progress()
+
+        # Check for both product that the new supplier info(purchase.requisition.vendor_id) is added to the puchase tab
+        # and check the quantity
+        seller_partner1 = self.env['res.partner'].browse(self.res_partner_1_id)
+        supplierinfo09 = self.env['product.supplierinfo'].search([
+            ('name', '=', seller_partner1.id),
+            ('product_id', '=', self.product_09_id)
+        ])
+        self.assertEqual(supplierinfo09.name, seller_partner1, 'The supplierinfo is not the good one')
+        self.assertEqual(supplierinfo09.price, price_product09, 'The supplierinfo is not the good one')
+
+        supplierinfo13 = self.env['product.supplierinfo'].search([
+            ('name', '=', seller_partner1.id),
+            ('product_id', '=', self.product_13_id)
+        ])
+        self.assertEqual(supplierinfo13.name, seller_partner1, 'The supplierinfo is not the good one')
+        self.assertEqual(supplierinfo13.price, price_product13, 'The supplierinfo is not the good one')
+
+        # Put the requisition in done Status
+        requisition_blanket.action_in_progress()
+        requisition_blanket.action_done()
+
+        self.assertFalse(self.env['product.supplierinfo'].search([('id', '=', supplierinfo09.id)]), 'The supplier info should be removed')
+        self.assertFalse(self.env['product.supplierinfo'].search([('id', '=', supplierinfo13.id)]), 'The supplier info should be removed')
diff --git a/addons/purchase_requisition/views/purchase_requisition_views.xml b/addons/purchase_requisition/views/purchase_requisition_views.xml
index 1134250cfcd..e1f17b6dc5b 100644
--- a/addons/purchase_requisition/views/purchase_requisition_views.xml
+++ b/addons/purchase_requisition/views/purchase_requisition_views.xml
@@ -85,6 +85,19 @@
         </field>
     </record>
 
+    <record model="ir.ui.view" id="supplier_info_form_inherit">
+        <field name="name">product.supplierinfo.requisition.view</field>
+        <field name="model">product.supplierinfo</field>
+        <field name="inherit_id" ref="product.product_supplierinfo_form_view"/>
+        <field name="arch" type="xml">
+            <field name="product_code" position="after">
+                <field name="purchase_requisition_id"
+                    attrs="{'invisible': [('purchase_requisition_id', '=', False)]}"
+                    />
+            </field>
+        </field>
+    </record>
+
     <record model="ir.ui.view" id="purchase_order_search_inherit">
         <field name="name">purchase.order.list.select.inherit</field>
         <field name="model">purchase.order</field>
@@ -324,6 +337,17 @@
         </field>
     </record>
 
+    <record model="ir.ui.view" id="product_supplierinfo_tree_view_inherit">
+        <field name="name">product.template.product.form.inherit</field>
+        <field name="model">product.supplierinfo</field>
+        <field name="inherit_id" ref="product.product_supplierinfo_tree_view"/>
+        <field name="arch" type="xml">
+          <xpath expr="//field[@name='min_qty']" position="before">
+              <field name="purchase_requisition_id"/>
+          </xpath>
+        </field>
+    </record>
+
     <act_window
             domain="[('requisition_id', '=', active_id)]"
             context="{'default_requisition_id': active_id}"