Visa

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A visa is an official endorsement on a document or passport denoting that the bearer may enter and/or exit the country or territory which issued it. Visas usually have conditions attached which relate to the purpose that its holder has for going to the country concerned. For example, a visitor's visa holder will usually be prohibited from working or studying in the issuing country or territory.

In fact, many countries have a list of countries and territories whose citizens do not need visas to visit if their stay is within a certain time limit. However, people who wish to work, study or immigrate normally need to apply for a visa to do so beforehand. The main exception to this is for European Union citizens seeking to exercise treaty rights in another member state.

Several nations require their citizens to obtain an exit visa in order to leave the country. In Iran women need written permission from their husbands to leave the country. Ordinary citizens of the Soviet Union were not allowed no leave without and exit visa and permission from the KGB to obtain a passport. Exit visa systems still exist, in a variety of forms, often only for foreign workers in; Qatar, Saudi Arabia, United Arab Emirates, Oman, Russia, North Korea, and Uzbekistan.[1][2][3] The exit visa system in Uzbekistan is currently being abolished.[4][5] Exits visas were abolished in Portugal[6] in 1974 and Cuba in 2013.[7]

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