diff --git a/tax_mate/hooks.py b/tax_mate/hooks.py
index 9ea0fb7..6c14653 100644
--- a/tax_mate/hooks.py
+++ b/tax_mate/hooks.py
@@ -136,14 +136,12 @@
 # Document Events
 # ---------------
 # Hook on document methods and events
-
-# doc_events = {
-# 	"*": {
-# 		"on_update": "method",
-# 		"on_cancel": "method",
-# 		"on_trash": "method"
-# 	}
-# }
+#
+doc_events = {
+    "Sales Order": {
+        "before_insert": "tax_mate.tax_mate.doc_events.sales_order.ensure_taxes_applied"
+    }
+}
 
 # Scheduled Tasks
 # ---------------
@@ -241,4 +239,3 @@
 # default_log_clearing_doctypes = {
 # 	"Logging DocType Name": 30  # days to retain logs
 # }
-
diff --git a/tax_mate/tax_mate/doc_events/sales_order.py b/tax_mate/tax_mate/doc_events/sales_order.py
new file mode 100644
index 0000000..221677b
--- /dev/null
+++ b/tax_mate/tax_mate/doc_events/sales_order.py
@@ -0,0 +1,18 @@
+import frappe
+
+def ensure_taxes_applied(doc, method):
+    """
+    Ensure taxes are calculated for all Sales Orders, including those created programmatically.
+    """
+    if not doc.taxes:
+        default_template = frappe.db.get_value("Sales Taxes and Charges Template", {
+            "is_default": 1,
+            "company": doc.company
+        })
+
+        if default_template:
+            doc.taxes_and_charges = default_template
+            doc.set_taxes(default_template)
+
+    doc.set_missing_values()
+    doc.calculate_taxes_and_totals()