B. BEFORE DEPARTURE OF JOURNEY
WHEN CHANGES ARE TO BOOKING CODE ONLY IN THE FIRST
FARE COMPONENT AND RESULT IN A HIGHER FARE THE
ITINERARY MUST BE RE-PRICED USING HISTORICAL
FARES IN EFFECT ON THE PREVIOUS TICKETING DATE
OR USING CURRENT FARES IN EFFECT ON THE DATE
THE TICKET IS REISSUED - WHICHEVER IS LOWER.
C. BEFORE DEPARTURE OF JOURNEY
WHEN THERE ARE NO CHANGES TO THE FIRST FARE
COMPONENT BUT OTHER FARE COMPONENTS ARE CHANGED
THE ITINERARY MUST BE RE-PRICED USING HISTORICAL
FARES IN EFFECT ON THE PREVIOUS TICKETING DATE OR
USING CURRENT FARES IN EFFECT ON THE DATE THE
TICKET IS REISSUED - WHICHEVER IS LOWER.
D. AFTER DEPARTURE OF JOURNEY
THE ITINERARY MUST BE RE-PRICED USING HISTORICAL
FARES IN EFFECT ON THE PREVIOUS TICKETING DATE.