India, May 10 -- The Justice Department has filed suit against the State of Iowa challenging its immigration law.

Governor Kim Reynolds signed the Senate File 2340 bill, making illegal immigration a state crime in Iowa, last month.

The new measure has been questioned under the U.S. Constitution's Supremacy Clause and Foreign Commerce Clause, which assigns the federal government to regulate immigration and manage its international borders. Pursuant to this authority, Congress has established a comprehensive immigration framework governing the entry of non-citizens into the U.S. and the removal of non-citizens from the country.

Arguing that SF 2340 is preempted by federal law and violates the U.S. Constitution, the Justice Department seeks...