The law only prohibits the sharing of data if it's being used for immigration law enforcement. ICE doesn't just bust undocumented migrants, they also investigate all kinds of other crimes (like smuggled contraband), which is something the CHP would also presumably be involved with. It's perfectly legal to share data if it's not being used in an immigration case.
> “Just because Oakland has collected ALPR data for purposes of dealing with local crime doesn’t mean this is a ‘come one, come all’ buffet,” Schwartz said.
Citation? The law does not appear to be this narrow.
Per the article: "Under a decade-old state law, California police are prohibited from sharing data from automated license plate readers with out-of-state and federal agencies. Attorney General Rob Bonta affirmed that fact in a 2023 notice to police."
This article is poorly written.
https://oag.ca.gov/system/files/media/2023-dle-06.pdf
"Accordingly, SB 34 does not permit California LEAs to share ALPR information with private entities or out-of-state or federal agencies, including out-of-state and federal law enforcement agencies."