Originally Posted by
sailingfun
I would not defer the class over a small tax difference. You might also ask if they will defer paying the bonus until 1 Jan. Might take them that long anyway. If it delays you getting to a major by a month you will lose more than any tax difference.
They can't defer it. The bonus must be paid prior to signing in on property as once you are on property you fall under the CBA. Also, I would be giving up a bonus (though only a few thousand dollars), paid on 1 Jan at my current airline.