diff --git a/erpnext/stock/get_item_details.py b/erpnext/stock/get_item_details.py
index c766cab..5143067 100644
--- a/erpnext/stock/get_item_details.py
+++ b/erpnext/stock/get_item_details.py
@@ -8,6 +8,7 @@
 from frappe import _, throw
 from frappe.model import child_table_fields, default_fields
 from frappe.model.meta import get_field_precision
+from frappe.model.utils import get_fetch_values
 from frappe.query_builder.functions import IfNull, Sum
 from frappe.utils import add_days, add_months, cint, cstr, flt, getdate
 
@@ -571,6 +572,9 @@
 			item_tax_template = _get_item_tax_template(args, item_group_doc.taxes, out)
 			item_group = item_group_doc.parent_item_group
 
+	if args.child_doctype and item_tax_template:
+		out.update(get_fetch_values(args.child_doctype, "item_tax_template", item_tax_template))
+
 
 def _get_item_tax_template(args, taxes, out=None, for_validate=False):
 	if out is None: