Originally Posted by
goalie
PQD's aside, If I have a $250 "016" e-cert and want to use it on a $250 all in fare with say a base fare of $200, I pay the $50 in taxes but if I have a $250 "TCVA" e-cert on the same fare, I pay zero as the TCVA applies against all taxes (or so it has for me) so afaic, the less I pay out of my own pocket the better
OTOH, if you have an ~$270 all in fare, with base fare of $250, applying a $250 016 cert will result in paying only the 9/11 fee of $2.50 per segment, whereas the TCVA will result in ~$20 out of pocket.
Both certs have their benefits and drawbacks and should be used accordingly.