Optimistic Paranoid said:But then, would CANADA accept that as valid for driving up the ALCAN?
You must mean the movement permit. That may be for instate movement only. I said check to that out.
A temporary license plate only differs from a metal plate in the shorter duration before expiry. It is legal, issued by the state.
I think they would only care about if the vehicle was not actually driven all the way to Alaska. As in smuggled into Canada for use in Canada by Canadians.
Having documentation of living arrangements in Alaska would help backup the truth.