- Transit without visa for holders of a confirmed onward ticket for a flight operated by the same carrier to a third country on the same calendar day. Must have documents required for the next destination.
U.S. policy on dual nationality can be found
An entry permit is not required for a stay of 30 days or less.
For a stay longer than 30 days, an entry permit is required. The permit may be issued for the duration of the stay, which cannot exceed one year.