diff --git a/library/include/mobilisis/tariff_business_hours.h b/library/include/mobilisis/tariff_business_hours.h
new file mode 100644
index 0000000..d57df76
--- /dev/null
+++ b/library/include/mobilisis/tariff_business_hours.h
@@ -0,0 +1,21 @@
+#ifndef TARIFF_BUSINESS_HOURS_H_INCLUDED
+#define TARIFF_BUSINESS_HOURS_H_INCLUDED
+
+/// <summary>
+/// Business hours (byte represents payment option id)
+/// </summary>
+enum BusinessHours
+{
+    NoRestriction_24_7          = 0,
+    OnlyWorkingDays             = 1,    // [Monday-Friday]
+    OnlyWeekDays                = 2,    // [Monday-Saturday]
+    OnlyWeekEnd                 = 4,    // [Saturday+Sunday]
+    OnlyOfficialHolidays        = 8,
+    OnlySpecialDays             = 16,
+    OnlySchoolHolidays          = 32,
+    SpecialAndSchoolHolidays    = 48,
+    OnlyOpenForBusinessDays     = 64,   // verkaufsoffen
+    NoBusinessHoursDefined      = 255
+};
+
+#endif // TARIFF_BUSINESS_HOURS_H_INCLUDED