It also punishes local government department heads and elected officials who don't cooperate with federal immigration "detainers" - request by agents to turn over immigrants subject to possible deportation.
The hearing in the U.S. District Court for the Western District of Texas in San Antonio will be before Judge Orlando Garcia.
On Monday, a Texas border town and some of the state's biggest cities will ask a USA federal judge to halt the state law known as Senate Bill 4, arguing it is unconstitutional, violates human rights and illegally diverts police resources from fighting local crime to enforcing US immigration law.
"The Department of Justice fully supports Texas' effort and is participating in this lawsuit because of the strong federal interest in facilitating the state and local cooperation that is critical in enforcing our nation's immigration laws", Sessions said.
Busloads of demonstrators from across Texas rallied outside, wearing red T-shirts and carrying signs denouncing the law. Their lawyers argue the law is unconstitutional on numerous grounds and say it muzzles critics, illegally targets immigrants and large Latino populations, and is an "extraordinary intrusion" on the rights of local governments to decide how they will control their budgets, police and jails.
Garcia is unlikely to rule immediately. Houston Mayor Sylvester Turner said the new law raises serious Constitutional concerns. What would happen if a rank-and-file police officer who determined that someone wasn't in the country legally didn't turn over that information to U.S. Immigrations and Customs Enforcement?
K-pop star Taeyang lends support to 2018 Winter Olympics
A liberal candidate from the Democratic Party, Moon has pledged greater dialogue with North Korea in a bid to reduce tensions. Do said he hoped North Korea's participation in the Winter Olympics would make Pyeongchang a "peace Olympics".
"Upholding the law would send a bad signal to other states that they can enact similar or even more draconian laws", said Lee Gelernt, a lawyer with the American Civil Liberties Union who will argue the case Monday.
"Enforcing immigration law helps prevent risky criminals from being released into our communities", he said.
The U.S. government isn't a party in the lawsuit challenging Texas Senate Bill 4, which bans so-called sanctuary policies that limit local police from cooperating with federal immigration authorities. He said the law protects victims and witnesses, and that Texas law forbids racial profiling.
Trump campaigned against sanctuary cities and on January 25 issued an executive order to punish them.
A handful of Texas cities - including Austin - are now suing the state, saying the law promotes discrimination.
Immigrants United spoke about the effects of this fight here in Texas.