diff --git a/erpnext/regional/germany/utils/datev/datev_csv.py b/erpnext/regional/germany/utils/datev/datev_csv.py
index aae734f..fb7ca71 100644
--- a/erpnext/regional/germany/utils/datev/datev_csv.py
+++ b/erpnext/regional/germany/utils/datev/datev_csv.py
@@ -104,7 +104,7 @@
 		# L = Tax client number (Mandantennummer)
 		datev_settings.get('client_number', '00000'),
 		# M = Start of the fiscal year (Wirtschaftsjahresbeginn)
-		frappe.utils.formatdate(frappe.defaults.get_user_default('year_start_date'), 'yyyyMMdd'),
+		frappe.utils.formatdate(filters.get('fiscal_year_start'), 'yyyyMMdd'),
 		# N = Length of account numbers (Sachkontenlänge)
 		datev_settings.get('account_number_length', '4'),
 		# O = Transaction batch start date (YYYYMMDD)
diff --git a/erpnext/regional/report/datev/datev.py b/erpnext/regional/report/datev/datev.py
index dd818e6..04f8928 100644
--- a/erpnext/regional/report/datev/datev.py
+++ b/erpnext/regional/report/datev/datev.py
@@ -13,7 +13,7 @@
 import frappe
 from frappe import _
 from six import string_types
-from erpnext.regional.germany.utils.datev.datev_csv import download_csv_files_as_zip, get_datev_csv
+from erpnext.accounts.utils import get_fiscal_year
 from erpnext.regional.germany.utils.datev.datev_constants import Transactions, DebtorsCreditors, AccountNames
 
 COLUMNS = [
@@ -98,21 +98,33 @@
 
 def validate(filters):
 	"""Make sure all mandatory filters and settings are present."""
-	if not filters.get('company'):
+	company = filters.get('company')
+	if not company:
 		frappe.throw(_('<b>Company</b> is a mandatory filter.'))
 
-	if not filters.get('from_date'):
+	from_date = filters.get('from_date')
+	if not from_date:
 		frappe.throw(_('<b>From Date</b> is a mandatory filter.'))
 
-	if not filters.get('to_date'):
+	to_date = filters.get('to_date')
+	if not to_date:
 		frappe.throw(_('<b>To Date</b> is a mandatory filter.'))
 
+	validate_fiscal_year(from_date, to_date, company)
+
 	try:
 		frappe.get_doc('DATEV Settings', filters.get('company'))
 	except frappe.DoesNotExistError:
 		frappe.throw(_('Please create <b>DATEV Settings</b> for Company <b>{}</b>.').format(filters.get('company')))
 
 
+def validate_fiscal_year(from_date, to_date, company):
+	from_fiscal_year = get_fiscal_year(date=from_date, company=company)
+	to_fiscal_year = get_fiscal_year(date=to_date, company=company)
+	if from_fiscal_year != to_fiscal_year:
+		frappe.throw(_('Dates {} and {} are not in the same fiscal year.').format(from_date, to_date))
+
+
 def get_transactions(filters, as_dict=1):
 	"""
 	Get a list of accounting entries.
@@ -317,9 +329,13 @@
 		filters = json.loads(filters)
 
 	validate(filters)
+	company = filters.get('company')
+
+	fiscal_year = get_fiscal_year(date=filters.get('from_date'), company=company)
+	filters['fiscal_year_start'] = fiscal_year[1]
 
 	# set chart of accounts used
-	coa = frappe.get_value('Company', filters.get('company'), 'chart_of_accounts')
+	coa = frappe.get_value('Company', company, 'chart_of_accounts')
 	filters['skr'] = '04' if 'SKR04' in coa else ('03' if 'SKR03' in coa else '')
 
 	transactions = get_transactions(filters)