Originally Posted by
drewguy
why can't I use it multi-city (especially when it's IAD departure, DCA return), or on an itinerary with multiple pax (just apply the discount to one of the fares)?
You can often use one on a multi-passenger itinerary, but only by getting Web Support involved.
Originally Posted by
drewguy
Why all these other oddball booking restrictions that don't seem to have any purpose?
They have a very definite purpose. They increase breakage (the number of certificates that never get redeemed).