Originally Posted by
kuroko
they will/should upsell the whole ticket (outbound as well as invound) to a 4month/12month fare as regarding the max stay the most restrictive rule will apply
sometimes it's way cheaper to drop leg 4 and buy a one-way than to upsell everything
Once the outbound is flown, max stay and penalties of the inbound apply. A complete reprice only happens if the changes are made prior to commencement of travel or during a stopover on the outbound.