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Concept
Immigration law
Summary
Immigration law includes the national statutes, regulations, and legal precedents governing immigration into and deportation from a country. Strictly speaking, it is distinct from other matters such as naturalization and citizenship, although they are sometimes conflated. Countries frequently maintain laws that regulate both the rights of entry and exit as well as internal rights, such as the duration of stay, freedom of movement, and the right to participate in commerce or government.
Immigration laws vary around the world and throughout history, according to the social and political climate of the place and time, as the acceptance of immigrants sways from the widely inclusive to the deeply nationalist and isolationist. National laws regarding the immigration of citizens of that country are regulated by international law. The United Nations' International Covenant on Civil and Political Rights mandates that all countries allow entry to their own citizens.
this principle is not always respected in practice. For instance, during the COVID-19 pandemic, Australia adopted a policy of denying entry to all individuals in particularly affected jurisdictions, including Australian citizens and permanent residents. Similarly, while states within the Schengen Area typically permit freedom of movement across borders, many states within the area implemented ad hoc border controls during the pandemic.
Immigration policy is the aspect of border control concerning the transit of people into a country, especially those that intend to stay and work in the country. Taxation, tariff and trade rules set out what goods immigrants may bring with them, and what services they may perform while temporarily in the country. Agricultural policy may make exemptions for migrant farm workers, who typically enter a country only for the harvest season and then return home to a country or region in the Global South (such as Mexico or Jamaica from where U.S. and Canada, respectively, often import temporary agricultural labour).
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