diff --git a/library/src/calculate_price.cpp b/library/src/calculate_price.cpp
index 24c40a4..0697b9b 100644
--- a/library/src/calculate_price.cpp
+++ b/library/src/calculate_price.cpp
@@ -858,6 +858,26 @@ CalcState CALCULATE_LIBRARY_API compute_price_for_parking_ticket(
                 end_parking_time = effectiveStartTime.addSecs(netto_parking_time*60);
             }
 
+            qCritical() << __func__ << ":" << __LINE__ << "end-parking-time:" << end_parking_time.toString(Qt::ISODate);
+
+            weekDay = end_parking_time.date().dayOfWeek();
+
+            // musste man in einer schleife machen
+            carryOverStart = tariff->TariffCarryOverOptions.find(pop_carry_over_option_id)->second.carryover[weekDay].static_start;
+            carryOverDuration = tariff->TariffCarryOverOptions.find(pop_carry_over_option_id)->second.carryover[weekDay].duration;
+
+            if (end_parking_time.time() > carryOverStart) {
+                end_parking_time = end_parking_time.addSecs(carryOverDuration * 60);
+            } else
+            if (end_parking_time.time() == carryOverStart) {
+                qCritical() << __func__ << ":" << __LINE__ << "end-parking-time:" << end_parking_time.toString(Qt::ISODate);
+                qCritical() << __func__ << ":" << __LINE__ << "   carryOverStart" << carryOverStart.toString(Qt::ISODate);
+                ATBPaymentOption const &po = tariff->getPaymentOptions(paymentOptionIndex);
+                if (po.pop_apply_carry_over_to_ticket_endtime) {
+                    end_parking_time = end_parking_time.addSecs(carryOverDuration * 60);
+                    qCritical() << __func__ << ":" << __LINE__ << "end-parking-time:" << end_parking_time.toString(Qt::ISODate);
+                }
+            }
 
             end_parking_time.setTime(QTime(end_parking_time.time().hour(),
                                            end_parking_time.time().minute(), 0));