Add fiscal year
diff --git a/erpnext/regional/report/datev/datev.py b/erpnext/regional/report/datev/datev.py
index 64e9753..bbc7ad2 100644
--- a/erpnext/regional/report/datev/datev.py
+++ b/erpnext/regional/report/datev/datev.py
@@ -212,7 +212,7 @@
frappe.get_value("DATEV Settings", filters.get("company"), "client_number") or "",
"",
# M = Start of the fiscal year (Wirtschaftsjahresbeginn)
- "",
+ frappe.utils.formatdate(frappe.defaults.get_user_default("year_start_date"), "yyyyMMdd"),
# N = Length of account numbers (Sachkontenlänge)
"4",
# O = Transaction batch start date (YYYYMMDD)