So officials will still be able to withhold information from the feds, but the local authorities can't force them to?
The statute cited by the Justice Department has very little to do with how most so-called sanctuary city policies actually operate. If the local Sheriff's Department doesn't know the immigration status of every inmate in the County Jail, then they aren't withholding "information regarding the citizenship or immigration status, lawful or unlawful, of any individual."
Does that mean the Justice Dept probably won't be able to do anything that would hold up in Court based on this law?