I'm not sure, but everybody entering the US is required to present a passport or other "enhanced" ID, so if the Americans don't have passports, it's more that they can't go home without. On Wed, Jan 20, 2010 at 14:36, Walter Lewis <[log in to unmask]> wrote: > On 20 Jan 10, at 2:30 PM, David Fiander wrote: > >> Of course, as a corollary to the fact that all the locations being >> discussed are Canadian (well, except for Montreal), any Americans >> resident in the USA on the list do need to make sure that their >> passports will be valid through to the end of May, at least, in order >> to ensure you will be able to attend. > > Is Canadian customs now requiring US Passports? Used to be Hotel California: you could come over, but without your passport you couldn't go home. > > Walter >