California lawmakers on Thursday approved legislation that would prohibit most law enforcement officers from covering their faces while carrying out official duties, sending the measure to Gov. Gavin Newsom’s desk.

The bill would ban items such as neck gaiters, ski masks and other facial coverings for local and state officers while on duty, with exceptions for undercover operations, medical masks including N95 respirators, and tactical gear. If signed, the law would be the first of its kind passed by a state legislature; similar proposals have been introduced in several other states and by some Democrats in Congress.

Supporters said the measure responds to immigration enforcement actions in the Los Angeles area in which some federal agents covered their faces, drawing public alarm. Assemblymember Juan Carrillo, a Democrat who backed the bill, said the state needs to act following a U.S. Supreme Court ruling earlier in the week that lifted limits on Immigration and Customs Enforcement raids in Los Angeles. Carrillo said the ruling effectively permits agents to target people based on race, language or presence at specific locations and warned that masked officers can be indistinguishable from criminals to members of the public.

The timing of the bill follows months of federal immigration operations in Southern California that began in June and prompted protests and the subsequent deployment of the National Guard and U.S. Marines to the region. The Supreme Court decision this week allowed the federal government to resume broader immigration raids in Los Angeles, restoring authority that had been curtailed by lower court restrictions.

ICE agent at work

Legal experts and supporters of the bill have argued that while states cannot directly control federal operations, federal employees are not exempt from state rules unless compliance would significantly interfere with their duties. Erwin Chemerinsky, a constitutional law scholar at the University of California, Berkeley, wrote that federal agents can be subject to state laws so long as those laws do not impede federal functions.

Opponents, including some Republican lawmakers and law enforcement groups, said the prohibition could endanger officers by removing tools used for officer safety and anonymity in high-risk situations. GOP state Sen. Kelly Seyarto said during debate that while criminals wear masks to avoid capture, officers sometimes use coverings to protect themselves from identification and retaliation.

The bill acknowledges some of those concerns by preserving exceptions for undercover work and for medical or tactical reasons. It does not, however, resolve the practical question of enforcing the measure against federal officers. State authority over federal personnel is limited; critics say California may have little leverage to require immigration agents or other federal officers to comply while carrying out federal responsibilities.

Newsom has approximately 30 days to sign or veto the bill. If he signs it, its implementation could trigger legal challenges from federal authorities or lead to negotiations over how to reconcile state rules with federal immigration operations. Proponents say the law would increase transparency and public trust in law enforcement, while opponents warn of potential risks to officer safety.

The vote in Sacramento adds to a broader national debate over immigration enforcement tactics and the visibility of officers conducting arrests. Legislators in Tennessee, Michigan, Illinois, New York, Massachusetts and Pennsylvania have considered similar measures, reflecting growing state-level scrutiny of federal immigration actions since the summer wave of raids.

California’s action marks a new front in that debate, establishing a state standard aimed at limiting the use of face coverings by officers in public-facing roles while leaving open significant legal and operational questions about federal enforcement activity within state boundaries.