Originally Posted by
jsk1973
This is true, but it's still a good idea to keep one of the forms in your bag or briefcase, just in case you get off the plane and discover the kiosks are down for some reason.
Since they are readily available in the customs hall that's not even needed.
Originally Posted by
Yoshi212
I do keep a partially filled out Customs form inside my passport holder for the chance I may need to use it. But in 3+ years have not had to.
You further emphasized the point that it's highly unlikely you'll need a form.