Originally Posted by
Goldorak
Yes, on paper (printed on both sides, not 2 pages). It will be taken at the gate in AMS or at any intermediate paperwork checkpoint they may have eventually in AMS.
At least the last time (mid-Nov) when I flew with KLM, this was not asked or needed anywhere (I even checked at the check-in counter) for KLM operated flights. I was told this IS needed and indeed collected at the gate if the flight is operated by Delta.
I had it printed double-sided, but no idea if that is allowed or not since it ended up in the bin.
Don't shoot me if this is not valid anymore
Cheers!