Prohibits public body from inquiring concerning person's citizenship or immigration status except as required by state or federal law or when determining benefit eligibility. Authorizes public body to decline to disclose information concerning person's citizenship or immigration status except as required by state or federal law or in certain other circumstances. Directs Attorney General to publish model policies for public bodies intended to limit, in manner consistent with state and federal law, immigration enforcement in public facilities. Declares emergency, effective on passage.