Senators are part of the legislature and write and vote on laws that govern the people. They have written and passed laws related to Immigration.
The Department of Immigration and Citizenship is responsible for managing Australia's immigration levels.
no
an immigration officer is responsible for ensuring that immigratioin legislation is enforced.......
Arthur Calwell
Which central government authority is responsible for immigrant in Dominica
See related link. The department responsible is Citizenship and Immigration Canada (CIC).
The United States Citizenship and Immigration Services(USCIS) is responsible for all citizenship, visas, green card etc requirements. The processing is entirely done through them. It is the agency fully responsible for all lawful immigration processes.
Legislatures
The director of the government agency responsible for immigration could be sued for not doing his job.
No one is responsible for immigration as it is where a large group of people or a few move to another country. This has been going on for years so it is unsure wether one person started it or one group of people.
USCIS is the acronym for the United States Citizenship and Immigration Services. This is the department responsible for overseeing legal immigration into the United States.
Congress does. It is not written in the constitution exactly how to deal with it.