Citizenship and Immigration Services in the Obama administration, said the president had the authority to limit wholesale concrete bolts refugee admissions and the issuance of visas to specific countries if the administration determined it was in the public’s interest.S."His comments during the campaign and a number of people on his team focused very much on religion as the target," Motomura said. agreed to resettle an unspecified number of refugees being held in Papua New Guinea (PNG) and the tiny South Pacific island nation of Nauru on Australia’s behalf.Legal arguments could claim the executive orders discriminate against a particular religion, which would be unconstitutional, he said."A spokeswoman for Australias Prime Minister Malcolm Turnbull declined to comment.Both Trump and his nominee for attorney general, Senator Jeff Sessions, have since said they would focus the restrictions on countries whose migrants could pose a threat, rather than a ban on those of a specific religion.Other measures may include directing all agencies to finish work on a biometric identification system for non-citizens entering and exiting the United States and a crackdown on immigrants fraudulently receiving government benefits, according to the congressional aides and immigration experts.-Mexico border and to deport illegal migrants living inside the United States.S.

Customs and Border Protection to stop any current visa holders from those countries from entering the United States.Australia does not provide information on the nationalities of those held, but around a third of the 1,161 detainees were from countries covered by the executive orders, lawyers and refugee workers for the asylum seekers told Reuters.Legal challenges possibleDetractors could launch legal challenges if all the countries subject to the ban are Muslim-majority nations, said immigration expert Hiroshi Motomura at UCLA School of Law."If they do not take us, Australia will have to.To block entry from the designated countries, Trump is likely to tell the State Department to stop issuing visas to people from those nations, according to sources familiar with the visa process.The sources say the first of the orders will be signed on Wednesday.”The Republican president, who took office last Friday, was expected to sign the first of the orders at the Department of Homeland Security, whose responsibilities include immigration and border security.

In his tweet late on Tuesday, Trump said: "Big day planned on NATIONAL SECURITY tomorrow.Australia deal under threatTrumps executive order threatens a refugee resettlement deal with Australia signed late last year, and could leave more than 1,000 asylum seekers in limbo.On the campaign trail, Trump initially proposed a temporary ban on Muslims entering the United States, which he said would protect Americans from jihadist attacks. With Trump considering measures to tighten border security, he could turn his attention to the refugee issue later this week.S.The deal followed agreement by Australia in September to join a U.The U. Louis.Trump is also expected to take part in a ceremony installing his new secretary of homeland security, retired Marine General John Kelly, on Wednesday.To restrict illegal immigration, Trump has promised to build a wall on the U.