A visa allows a person to enter and stay in the country for a specified period of time. Once the visa authorization expires after the visa holder is no longer allowed to say in the country.
Leaving the Country
The visa holder is supposed to leave the country before the expiry date.
Arrest and Deportation
If a person overstays their visa, deportation is the most common punishment. Government resources limit non-national/alien studies of those who have committed no crime. Deportation is the expulsion from the country of non-national/alien. If non-national/alien was arrested for a crime, deportation will most likely follow.
Visa Over Stays
If the visa holder stays in the country for more than 180 days, an expired visa if they leave voluntarily will have a bar imposed on them from entering the United States again. For those who are left in the first year, three years tape will be placed in one year is 10 years bar.
Unavailability of other Visas
If the visa holder has expired visa overstays, it makes it unacceptable for many more visas. This includes all visas in the host country, and many others if the visa holder is trying to apply for visas to enter the new host country.