“A visa is a conditional authorization
granted by a polity to
a foreigner that allows them to enter, remain within, or leave its territory.
Visas typically include limits on the duration of the foreigner's stay, areas
within the country they may enter, the dates they may enter, the number of
permitted visits, or if the individual can work in the country in question.
Visas are associated with the request for permission to enter a territory and
thus are, in most countries, distinct from actual formal permission for
an alien to enter and remain in the