It will be effective April 24.
The move cuts short a two-year "parole" granted to the migrants under former President Joe Biden that allowed them to enter the country by air if they had U.S. sponsors.
Trump said on March 6 that he would decide "very soon" whether to strip the parole status from some 240,000 Ukrainians who fled to the U.S. during the conflict with Russia. Trump's remarks came in response to a Reuters report that said his administration planned to revoke the status for Ukrainians as soon as April.
The new legal pathways came as Biden tried to clamp down on illegal crossings at the U.S.-Mexico border.
The Trump administration's decision to strip the legal status from half a million migrants could make many vulnerable to deportation if they choose to remain in the U.S. It remains unclear how many who entered the U.S. on parole now have another form of protection or legal status.
