Just spent quite a long time filling it in only to find out that my airline will not allow me to check in until tomorrow unless I pay more to choose my seat.
At the end of the plf it says you have to specify the seat number if relevant and that if you get it after submitting your plf you have to START ALL OVER AGAIN, not edit it, but start again.
Do I really have to? (I know I sound like a whiny child, but the thought of starting this all over again tomorrow night is awful).