SB 54, also known as the "California Values Act" or the "sanctuary state" law, was passed in an effort to promote public safety and effective policing and to protect people's constitutional rights. It was signed into law in 2017.
The Trump administration's plan to withhold criminal justice grants from sanctuary jurisdictions has now been permanently blocked. Federal judges in Chicago, Philadelphia and now San Francisco have ruled that the Justice Department cannot place immigration-related conditions on the grants. Moreover, they struck down as unconstitutional a longstanding immigration law, Section 1373 of Title * of the U.S. Code, that appeared to support the administration's position.
A federal appeals court has just struck down the Trump administration's plan to punish so-called "sanctuary" jurisdictions by refusing to issue approved criminal justice grants. The U.S. Court of Appeals for the Ninth Circuit ruled that separation of powers and the constitution's Spending Clause vest spending decisions exclusively with Congress.
5th Circuit finds most of Texas's anti-sanctuary law constitutional and enforceable