diff --git a/__init__.py b/__init__.py
index 3e86618..68ef3e4 100644
--- a/__init__.py
+++ b/__init__.py
@@ -9,10 +9,13 @@ from .planner import ScheduledBooking, ScheduledBookingCashbookRel
 from .cashbook import Cashbook, CashbookLine
 from .cron import Cron
 from .nextrun import NextRun
+from .config import Configuration, UserConfiguration
 
 
 def register():
     Pool.register(
+        Configuration,
+        UserConfiguration,
         Rule,
         ScheduledBooking,
         NextRun,
diff --git a/config.py b/config.py
new file mode 100644
index 0000000..226272c
--- /dev/null
+++ b/config.py
@@ -0,0 +1,48 @@
+# -*- coding: utf-8 -*-
+# This file is part of the cashbook-planner from m-ds for Tryton.
+# The COPYRIGHT file at the top level of this repository contains the
+# full copyright notices and license terms.
+
+
+from trytond.pool import PoolMeta, Pool
+from trytond.model import fields
+
+holidays = fields.Char(
+    string='Holidays', help='Semicolon separate list of dates:' +
+    ' yyyy-mm-dd = single date, mm-dd = annual repetition, ' +
+    'easter = Easter Sunday, ascension = Ascension Day, offset ' +
+    'with +/-n e.g.: easter+1 = Easter Monday')
+
+
+class Configuration(metaclass=PoolMeta):
+    __name__ = 'cashbook.configuration'
+
+    holidays = fields.MultiValue(holidays)
+
+    @classmethod
+    def multivalue_model(cls, field):
+        """ get model for value
+        """
+        pool = Pool()
+
+        if field in ['holidays']:
+            return pool.get('cashbook.configuration_user')
+        return super(Configuration, cls).multivalue_model(field)
+
+    @classmethod
+    def default_holidays(cls, **pattern):
+        return cls.multivalue_model('holidays').default_holidays()
+
+# end Configuration
+
+
+class UserConfiguration(metaclass=PoolMeta):
+    __name__ = 'cashbook.configuration_user'
+
+    holidays = holidays
+
+    @classmethod
+    def default_holidays(cls):
+        return 'easter+1;easter-2;ascension;05-01;12-25;12-26;01-01;'
+
+# end CashbookLine
diff --git a/config.xml b/config.xml
new file mode 100644
index 0000000..19802e9
--- /dev/null
+++ b/config.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+<!-- This file is part of the cashbook-planner from m-ds for Tryton.
+The COPYRIGHT file at the top level of this repository contains the
+full copyright notices and license terms. -->
+<tryton>
+    <data>
+
+        <record model="ir.ui.view" id="configuration_view_form">
+            <field name="model">cashbook.configuration</field>
+            <field name="inherit" ref="cashbook.configuration_view_form"/>
+            <field name="name">configuration_form</field>
+        </record>
+
+    </data>
+</tryton>
diff --git a/locale/de.po b/locale/de.po
index c7404e3..140a7d2 100644
--- a/locale/de.po
+++ b/locale/de.po
@@ -79,6 +79,22 @@ msgid "User in companies"
 msgstr "Benutzer im Unternehmen"
 
 
+##########################
+# cashbook.configuration #
+##########################
+msgctxt "view:cashbook.configuration:"
+msgid "Scheduled Bookings"
+msgstr "geplante Buchungen"
+
+msgctxt "field:cashbook.configuration,holidays:"
+msgid "Holidays"
+msgstr "Feiertage"
+
+msgctxt "help:cashbook.configuration,holidays:"
+msgid "Semicolon separate list of dates: yyyy-mm-dd = single date, mm-dd = annual repetition, easter = Easter Sunday, ascension = Ascension Day, offset with +/-n e.g.: easter+1 = Easter Monday"
+msgstr "Semikolon getrennte Liste von Datumswerten: yyyy-mm-dd = Einzeldatum, mm-dd = jährliche Wiederholung, easter = Ostersonntag, ascension = Christi Himmelfahrt, Offset mit +/-n z.B: easter+1 = Ostermontag"
+
+
 ####################
 # cashbook.planner #
 ####################
diff --git a/locale/en.po b/locale/en.po
index 9ec77a4..abdc601 100644
--- a/locale/en.po
+++ b/locale/en.po
@@ -58,6 +58,18 @@ msgctxt "model:ir.rule.group,name:rg_nextrun_companies"
 msgid "User in companies"
 msgstr "User in companies"
 
+msgctxt "view:cashbook.configuration:"
+msgid "Scheduled Bookings"
+msgstr "Scheduled Bookings"
+
+msgctxt "field:cashbook.configuration,holidays:"
+msgid "Holidays"
+msgstr "Holidays"
+
+msgctxt "help:cashbook.configuration,holidays:"
+msgid "Semicolon separate list of dates: yyyy-mm-dd = single date, mm-dd = annual repetition, easter = Easter Sunday, ascension = Ascension Day, offset with +/-n e.g.: easter+1 = Easter Monday"
+msgstr "Semicolon separate list of dates: yyyy-mm-dd = single date, mm-dd = annual repetition, easter = Easter Sunday, ascension = Ascension Day, offset with +/-n e.g.: easter+1 = Easter Monday"
+
 msgctxt "model:cashbook.planner,name:"
 msgid "Scheduled Booking"
 msgstr "Scheduled Booking"
diff --git a/tryton.cfg b/tryton.cfg
index 5ede97e..1b8743e 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -8,6 +8,7 @@ xml:
     group.xml
     planner.xml
     nextrun.xml
+    config.xml
     cashbook.xml
     cron.xml
     menu.xml
diff --git a/view/configuration_form.xml b/view/configuration_form.xml
new file mode 100644
index 0000000..cb87bf7
--- /dev/null
+++ b/view/configuration_form.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+<!-- This file is part of the cashbook-planner from m-ds for Tryton.
+The COPYRIGHT file at the top level of this repository contains the
+full copyright notices and license terms. -->
+<data>
+
+    <xpath expr="/form/separator[@id='sepcb']" position="before">
+        <separator id="planner" colspan="4" string="Scheduled Bookings"/>
+        <label name="holidays"/>
+        <field name="holidays" colspan="3"/>
+        <newline/>
+
+    </xpath>
+
+</data>