The acquisition of an immigration visa or an immigrant visa is necessary for all those who wish to visit a country other than their native countries. Generally speaking, immigration visas are basically documents that are issued by the consular office of a country to those who wish to visit a particular country, for example the United States, and live there on a permanent basis.
As soon as you acquire an immigration visa, you would be able to live and work in the country that you have gained the visa for. In terms of the United Kingdom, the final decision with regards to the issuance of an immigration visa lies with an immigration inspector serving the British High Commission.
A look into what immigrant and non-immigrant visas have to offer
Immigrant visas are basically visas that are issued to individuals who are interested in entering a country like the UK with the sole intent of living there on a permanent basis. On the other hand, non-immigrant visas like a visit visa to UK from Dubai, are those that are interested in visiting a country on a temporary basis for intents including medical treatments, tourism, temporary employment, studies and business etc. Such people are permanent citizens of a country other than the one that they are planning on visiting.
As soon as you acquire an immigration visa, you will be subject to the laws of the country that you have acquired a visa for. Immigrants are typically allowed to be present in the country as long as they have a place to live, and steady employment. Some of the major reasons as to why people opt to attain immigration visas are inclusive of: economic factors, as well as their wish to be close to their spouses or family members. However, non-immigrant visas are meant for those interested in acquiring temporary employment in a country, or wish to visit it for tourism purposes. They are not permanent citizens of the country that they are visiting.
On the whole, every country in the world has its own set of rules and regulations with regards to the right of entrance that it offers to visitors. The two main categories of visas available in a majority of countries are those of immigration and non-immigrant visas all of which can be processed by the malta passport program. If you are interested in visiting a country with the intent of staying there on a permanent basis, then it is necessary for you to apply for an immigration visa first.