[proxy_user]

I think there are some countries from which no visa is required for a stay of less than three months, such as the UK.

[longtermmemmory]

I-95W a program of convenience started and expanded in the 1990's. Canadians don't need actual proof. (only country to have a presumption of legality) It is why I said by treaty.

UK is in danger of being bumped from the program because they have not upped their machine readable passports.