The administration of US Citizenship and Immigration Services takes care of immigration related process in the United States. The US Citizenship and Immigration formerly called as INS. It also tackles illegal entrance into the US, preventing from taking benefits such as social security or unemployment.In the 18th and early 19th century, INS allowed open immigration and did not question the policy until the late the number of immigrant's increased and economic condition worsened in some area, INS began to issue immigration legislation. The immigration service declared basic immigration procedures during first decade and later on Congress continued to exert Federal Control over immigration, which upgraded the immigration office to the Bureau of Immigration. The Immigration and Naturalization Service previously referred as Bureau of Immigration and Bureau of Naturalization from 1903. On June 10, 1933, INS was established and on March 2003, most of the INS functions were transferred to new agencies under the Department of Homeland Security (DHS).With lot of changes in world migration patterns, the ease of international travel for business and controlling illegal immigration all fostered growth of Immigration and Naturalization service during late twentieth century. So the Immigration and Naturalization Service become restrictive for selective immigrants and controlled entry of tourists, business travellers and temporary visitors by inspecting and admitting arrivals at land, sea and airport and removing immigrants who entered illegally .The Bureau of Citizenship and Immigration Services (BCIS) name was lasted only for short period of time; it's currently referred as U.S Citizenship and Immigration Services (USCIS).All the application/petition for Green Card and Visa are filed either at American Consulate or with USCIS.After submitting the document to the USCIS along with the appropriate fee and supporting documents, can expect to receive an Application Receipt Notice with 13-character number within 30 days of having filled your application. We can track the status of application in the USCIS'S website by entering 13 character number in the "Case Status Online" link. For any application related queries you can call to a USCIS toll free-telephone or applicants with representatives such as lawyers, charitable groups or corporation who require regular information as they submit many applications, can create an account with USCIS to get such information. To get instant notification, you can give your mobile number to receive text messages whenever there is a change in the application progress status and also applicants can receive status at their e-mail address.