Originally Posted by
TGflyergirl
If you're referring to changes made post 1st leg flown - then in that instance DOT is wrong as the fare should allow a revalidation.
Yes, probably the question shal excplicitly say what the scenario questioned is and best also refer to fare rules, CoC and ticket changes best practices (ie for international ticket, the fare applied is that of the date of sale, at least for simple changes like date change).