diff --git a/addons/sale_project/models/project.py b/addons/sale_project/models/project.py
index a10415efe77..32783704447 100644
--- a/addons/sale_project/models/project.py
+++ b/addons/sale_project/models/project.py
@@ -42,6 +42,19 @@ class Project(models.Model):
             overview.project_overview = True
         (self - overview).project_overview = False
 
+    def action_view_so(self):
+        self.ensure_one()
+        action_window = {
+            "type": "ir.actions.act_window",
+            "res_model": "sale.order",
+            "name": "Sales Order",
+            "views": [[False, "form"]],
+            "context": {"create": False, "show_sale": True},
+            "res_id": self.sale_order_id.id
+        }
+        return action_window
+
+
 class ProjectTask(models.Model):
     _inherit = "project.task"
 
diff --git a/addons/sale_project/views/project_task_views.xml b/addons/sale_project/views/project_task_views.xml
index 175887c0150..b941231bd8b 100644
--- a/addons/sale_project/views/project_task_views.xml
+++ b/addons/sale_project/views/project_task_views.xml
@@ -28,6 +28,15 @@
         <field name="model">project.project</field>
         <field name="inherit_id" ref="project.edit_project"/>
         <field name="arch" type="xml">
+            <xpath expr="//button[@name='%(project.act_project_project_2_project_task_all)d']" position="before">
+                <button class="d-none d-md-inline oe_stat_button"
+                        type="object" name="action_view_so" icon="fa-dollar"
+                        attrs="{'invisible': [('sale_order_id', '=', False)]}"
+                        string="Sales Order"
+                        groups="sales_team.group_sale_salesman_all_leads">
+                    <field name="sale_order_id" attrs="{'invisible': True}"/> 
+                </button>
+            </xpath>
             <xpath expr="//field[@name='partner_id']" position="attributes">
                 <attribute name="options">{'always_reload': True}</attribute>
                 <attribute name="context">{'res_partner_search_mode': 'customer'}</attribute>
diff --git a/addons/sale_timesheet/models/project.py b/addons/sale_timesheet/models/project.py
index cb0d8c6411e..4da21b2a440 100644
--- a/addons/sale_timesheet/models/project.py
+++ b/addons/sale_timesheet/models/project.py
@@ -241,18 +241,6 @@ class Project(models.Model):
             },
         }
 
-    def action_view_so(self):
-        self.ensure_one()
-        action_window = {
-            "type": "ir.actions.act_window",
-            "res_model": "sale.order",
-            "name": "Sales Order",
-            "views": [[False, "form"]],
-            "context": {"create": False, "show_sale": True},
-            "res_id": self.sale_order_id.id
-        }
-        return action_window
-
     # ----------------------------
     #  Project Updates
     # ----------------------------
diff --git a/addons/sale_timesheet/views/project_task_views.xml b/addons/sale_timesheet/views/project_task_views.xml
index 34a6ecc88da..1d9f588af7a 100644
--- a/addons/sale_timesheet/views/project_task_views.xml
+++ b/addons/sale_timesheet/views/project_task_views.xml
@@ -9,13 +9,6 @@
             <xpath expr="//button[@name='%(project.action_project_task_burndown_chart_report)d']" position="after">
                 <button string="Costs / Revenues" class="oe_stat_button" type="object" name="action_view_timesheet" icon="fa-puzzle-piece" attrs="{'invisible': [('allow_billable', '=', False)]}" groups="project.group_project_manager"/>
             </xpath>
-            <xpath expr="//button[@name='%(project.act_project_project_2_project_task_all)d']" position="before">
-                <button class="d-none d-md-inline oe_stat_button"
-                        type="object" name="action_view_so" icon="fa-dollar"
-                        attrs="{'invisible': ['|', ('allow_billable', '=', False), ('sale_order_id', '=', False)]}"
-                        string="Sales Order"
-                        groups="sales_team.group_sale_salesman_all_leads"/>
-            </xpath>
             <xpath expr="//header" position="inside">
                 <button name="action_make_billable" string="Create Sales Order" type="object" attrs="{'invisible': [('display_create_order', '=', False)]}" groups="sales_team.group_sale_salesman"/>
             </xpath>