diff --git a/addons/l10n_in_gst/views/account_invoice_view.xml b/addons/l10n_in_gst/views/account_invoice_view.xml
index ce31a82f..3ef83780 100644
--- a/addons/l10n_in_gst/views/account_invoice_view.xml
+++ b/addons/l10n_in_gst/views/account_invoice_view.xml
@@ -103,4 +103,14 @@
         </field>
     </record>
 
+    <!-- Fiscal Position acton string change -->
+    <record id="account.action_account_fiscal_position_form" model="ir.actions.act_window">
+        <field name="name">Nature of Transaction</field>
+    </record>
+
+    <record id="account.menu_action_account_fiscal_position_form" model="ir.ui.menu">
+        <field name="name">Nature of Transaction</field>
+    </record>
+
+
 </flectra>
\ No newline at end of file
diff --git a/addons/l10n_in_purchase/__init__.py b/addons/l10n_in_purchase/__init__.py
index 7eb13095..0d24eb54 100644
--- a/addons/l10n_in_purchase/__init__.py
+++ b/addons/l10n_in_purchase/__init__.py
@@ -1,2 +1,4 @@
 # -*- coding: utf-8 -*-
 # Part of Odoo, Flectra. See LICENSE file for full copyright and licensing details.
+
+from . import models
\ No newline at end of file
diff --git a/addons/l10n_in_purchase/models/__init__.py b/addons/l10n_in_purchase/models/__init__.py
new file mode 100644
index 00000000..df179ff4
--- /dev/null
+++ b/addons/l10n_in_purchase/models/__init__.py
@@ -0,0 +1,4 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo, Flectra. See LICENSE file for full copyright and licensing details.
+
+from . import purchase
\ No newline at end of file
diff --git a/addons/l10n_in_purchase/models/purchase.py b/addons/l10n_in_purchase/models/purchase.py
new file mode 100644
index 00000000..3f8d7c23
--- /dev/null
+++ b/addons/l10n_in_purchase/models/purchase.py
@@ -0,0 +1,12 @@
+# -*- coding: utf-8 -*-
+# Part of Flectra. See LICENSE file for full copyright and licensing details.
+
+from flectra import api, fields, models, _
+
+
+class PurchaseOrder(models.Model):
+    _inherit = "purchase.order"
+
+    fiscal_position_id = fields.Many2one('account.fiscal.position',
+                                         oldname='fiscal_position',
+                                         string='Nature of Transaction')
\ No newline at end of file
diff --git a/addons/l10n_in_sale/__init__.py b/addons/l10n_in_sale/__init__.py
index 7eb13095..0d24eb54 100644
--- a/addons/l10n_in_sale/__init__.py
+++ b/addons/l10n_in_sale/__init__.py
@@ -1,2 +1,4 @@
 # -*- coding: utf-8 -*-
 # Part of Odoo, Flectra. See LICENSE file for full copyright and licensing details.
+
+from . import models
\ No newline at end of file
diff --git a/addons/l10n_in_sale/models/__init__.py b/addons/l10n_in_sale/models/__init__.py
new file mode 100644
index 00000000..5df6b4ce
--- /dev/null
+++ b/addons/l10n_in_sale/models/__init__.py
@@ -0,0 +1,4 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo, Flectra. See LICENSE file for full copyright and licensing details.
+
+from . import sale
\ No newline at end of file
diff --git a/addons/l10n_in_sale/models/sale.py b/addons/l10n_in_sale/models/sale.py
new file mode 100644
index 00000000..e07a8cca
--- /dev/null
+++ b/addons/l10n_in_sale/models/sale.py
@@ -0,0 +1,12 @@
+# -*- coding: utf-8 -*-
+# Part of Flectra. See LICENSE file for full copyright and licensing details.
+
+from flectra import api, fields, models, _
+
+
+class SaleOrder(models.Model):
+    _inherit = "sale.order"
+
+    fiscal_position_id = fields.Many2one('account.fiscal.position',
+                                         oldname='fiscal_position',
+                                         string='Nature of Transaction')
\ No newline at end of file