If there is a government shutdown, all non-essential government functions would be closed, including most of the Department of Homeland Security and Department of Labor (DOL).

Both U.S. Citizenship and Immigration Services (USCIS) and U.S. Customs and Border Protection (CBP) released memorandums on their implementation of Trump’s new policy. 

President Trump issued a Proclamation restricting the entry of anyone seeking to enter or reenter the United States in H-1B status without payment of a new $100,000 fee.