The court ruled that anyone who could prove a "bona fide" relationship with a US citizen or entity could be exempt from the temporary ban, which affects six countries in the Middle East.
The Middle East's largest airline, Dubai-based Emirates, said in response to questions on the travel ban Thursday that it "remains guided by the U.S. Customs and Border Protection on this matter".
In response to the Supreme Court's injunction lift, protesters and immigration advocacy groups participated in demonstrations at airports across the U.S., similar to the ones took place in January after Trump's initial travel ban went into effect.
The Supreme Court exempted from the ban travelers and refugees with a "bona fide relationship" with a person or entity in the United States.
The Trump administration claims the temporary ban is necessary to keep terrorists out of the country, but immigrant advocates charge that it illegally singles out Muslims. As an example, the court said those with a "close familial relationship" with someone in the United States would be covered.
Visas that have already been approved will not be revoked, but instructions issued by the State Department Wednesday said new applicants from Syria, Sudan, Somalia, Libya, Iran and Yemen must prove a relationship with a parent, spouse, child, adult son or daughter, son-in-law, daughter-in-law or sibling already in the United States to be eligible.
The state of Hawaii asked a federal judge in Honolulu on Thursday evening to determine whether the Trump administration had interpreted the court's decision too narrowly.
REUTERS Protests against the ban continued right up to the moments before it came in including outside Los Angeles International Airport
The new rules stop people from Syria, Sudan, Somalia, Yemen, Iran and Libya from getting a visa to the United States unless they have a "bona fide" relationship with a close relative, school or business in the U.S.
Our refusal to admit refugees from countries that have suffered devastating civil wars and natural disasters has undoubtedly tarnished our image as the world's moral leader.
Lawyers and human rights activists took up positions at major U.S. airports as a weakened version of President Donald Trump's travel ban took effect late on Thursday.
At some point, however, President Donald Trump's travel ban could begin to impact refugee resettlement in Utah, he said.
A senior USA official did not answer directly when asked how barring grandparents or grandchildren would make the United States safer, but instead pointed to Trump's guidance to pause "certain travel while we review our security posture".
Let's call the travel ban what it is: a Muslim ban. Refugees are also affected by the ban. Grandparents, grandchildren, aunts, uncles, nieces, nephews, cousins, brothers-in-law and sisters-in-law, fiancées, as well as additional extended family will not be considered "close".