SAN DIEGO (AP) The Biden administration has agreed to let about 250 people a day through border crossings with Mexico to seek refuge in the United States, part of negotiations to settle a lawsuit over pandemic-related powers that deny migrants a right to apply for asylum, an attorney said Monday.

The government also said it would stop flying migrant families from Texas Rio Grande Valley to El Paso, Texas, and San Diego to then be expelled to Mexico under pandemic powers, said Lee Gelernt, an attorney for the American Civil Liberties Union, which has sued in federal court in Washington, D.C. The government has reserved rights to resume flights if it deems the circumstances warrant.

The government concessions would dramatically reshape exercise of powers known as Title 42, named for a section of an obscure 1944 law that former President Donald Trump used to let the U.S. Centers for Disease Control and Prevention effectively end asylum at the border while it sought to prevent the coronavirus from spreading.

Biden has exempted unaccompanied children from Title 42 but kept it for single adults and many families. He has come under criticism from progressives for keeping asylum off-limits to many and for encouraging some parents to send children across the border alone. Enforcement-minded critics say exempting children traveling alone led to record numbers crossing and that lifting restrictions more will invite many more people to come.

The government and the ACLU agreed to a streamlined process for assessing and addressing exemption requests brought by particular vulnerable families and other individuals, Gelernt said. Once fully up and running, an estimated 250 particularly vulnerable individuals will be allowed in daily to seek humanitarian protection through a consortium of nongovernmental organizations. They must test for COVID-19 before entering the country.

About 2,000 people have already been allowed to enter the country, exempted from the pandemic-related powers to pursue asylum or other forms of protection while in the United States, Gelernt said.

While these concessions will hopefully save lives, they are not a substitute for eliminating Title 42 and restoring asylum processing fully, Gelernt said.

The Department of Homeland Security did not immediately respond to a request for comment Monday night.