diff --git a/party.py b/party.py
index e0afa1f..360d82f 100644
--- a/party.py
+++ b/party.py
@@ -2,7 +2,8 @@ from trytond.pool import PoolMeta
 from trytond.model import ModelSQL, ModelView, fields
 from . import equipment
 
-_CLIENT_TYPE = [('ips', 'IPS'),
+_CLIENT_TYPE = [('otro', 'Otro'),
+                ('ips', 'IPS'),
                 ('optica', 'Optica')]
 
 class Party(metaclass=PoolMeta):
diff --git a/purchase.py b/purchase.py
index d693086..eb7e142 100644
--- a/purchase.py
+++ b/purchase.py
@@ -1,7 +1,8 @@
 #This file is part of Tryton.  The COPYRIGHT file at the top level of
 #txhis repository contains the full copyright notices and license terms
 from trytond.pool import Pool, PoolMeta
-from trytond.model import ModelView, ModelSQL, fields
+from trytond.model import (
+    ModelView, ModelSQL, Workflow, fields)
 from trytond.pyson import Eval, If, Bool
 from trytond.exceptions import UserError
 from trytond.i18n import gettext
@@ -106,7 +107,8 @@ class Line(metaclass=PoolMeta):
 
         self.type = 'line'
         self.amount = self.on_change_with_amount()
-        self.product_equipment = True
+        if self.product.equipment:
+            self.product_equipment = True
 
     def default_address_equipment():
         pool = Pool()
diff --git a/subscription.py b/subscription.py
index db49e90..9ee107a 100644
--- a/subscription.py
+++ b/subscription.py
@@ -1,10 +1,45 @@
-from trytond.pool import PoolMeta
-from trytond.model import ModelSQL, ModelView, fields
+from trytond.pool import Pool, PoolMeta
+from trytond.model import (
+    ModelSQL, ModelView, Workflow, fields)
+from trytond.modules.company.model import set_employee
+from trytond.exceptions import UserError
 
 class Subscription(metaclass=PoolMeta):
     __name__ = 'sale.subscription'
 
-    equipments = fields.Many2Many('sale.subscription-optical_equipment.equipment', 'subscription', 'equipment', "Equipments")
+    equipments = fields.Many2Many('sale.subscription-optical_equipment.equipment', 'subscription',
+                                  'equipment', "Equipments")
+
+    @classmethod
+    @ModelView.button
+    @Workflow.transition('running')
+    @set_employee('run_by')
+    def run(cls, subscriptions):
+        pool = Pool()
+        Equipment = pool.get('optical_equipment.equipment')
+        Line = pool.get('sale.subscription.line')
+        lines = []
+        subscription = subscriptions[0]
+
+        for unit in subscription.equipments:
+                   unit.propietary=subscription.party,
+                   unit.propietary_address=subscription.invoice_address,
+                   unit.mark_category=unit.mark_category,
+                   unit.model_category=unit.model_category
+                   unit.save()
+                   
+        for subscription in subscriptions:
+            if not subscription.next_invoice_date:
+                subscription.next_invoice_date = (
+                    subscription.compute_next_invoice_date())
+            for line in subscription.lines:
+                if (line.next_consumption_date is None
+                        and not line.consumed_until):
+                    line.next_consumption_date = (
+                        line.compute_next_consumption_date())
+            lines.extend(subscription.lines)
+        Line.save(lines)
+        cls.save(subscriptions)
 
 class SubscriptionEquipment(ModelSQL):
     'Optical Equipment - Subscription'