Please be informed that from November 15 of 2019 S7 Airlines introduces Married Segments Control (MSC). When making a reservation in S7 ARDWeb / S7 AIDL (including S7 Smart Ticketing), GDS Amadeus, ADS Sirena-Travel, flight segments may fall under MSC in case of booking:
Lufthansa Group. Important change for waiting list requests / Important data protection information in multi-passenger PNR / About violation of sequence coupons / flights. / Compliance with the rules of collection and return of the DC fee, in order to avoid the imposition of fines ADM.