President Donald Trump has imposed new, major travel restrictions on immigrants from seven countries - Chad, Iran, North Korea, Libya, Somalia, Syria and Yemen - in a revision of his original travel ban, which had drawn sharp opposition from Silicon Valley.
The designations come as Trump's temporary travel ban on six Muslim-majority nations is set to expire the same day, 90 days after it took effect.
North Korea hasn't reacted yet to newly announced U.S.travel restrictions, but they are largely a symbolic measure for the North Asian country already under severe sanctions because of its nuclear weapons program.
In June, the Supreme Court allowed parts of the ban on new visas for travelers coming from Iran, Libya, Somalia, Sudan, Syria and Yemen to go into effect ahead of oral arguments scheduled for October 10.
The new visa sanctions on Venezuela, for instance, apply only to officials from five government security agencies and their immediate families.
He rescinded his first travel ban after it was halted by a judge and replaced it with a new executive order on March 6, which was challenged at the Supreme Court. Trump's ban on refugees will be addressed separately.
The first version of Trump's order, signed in January, sparked protests and chaos at airports worldwide before it was blocked by US courts.
"The third time may be the charm for President Trump's immigration travel ban", Yale-Loehr said.
Individuals with that "bona fide" exception, such as a foreign grandparent of a U.S. citizen, can still apply for visas until October 18. "We should be able to validate their identities, and we should be able to confirm that our foreign partners do have information suggesting such individuals may represent a threat to the United States", he said.
Citizens from Kim Jong-un's rogue state and North African Chad will be banned from entering the US. But that wasn't the reason the two countries were added, a White House official said in a call with reporters. Citizens of those countries would be denied entry or face other travel restrictions until their governments made changes.
The restrictions are based on a new baseline developed by DHS that includes factors such as whether countries issue electronic passports with biometric information and share information about travelers' terror-related and criminal histories.
"The travel ban into the United States should be far larger, tougher and more specific", Trump tweeted September 15, hours after a homemade bomb on a city subway injured dozens.