(a) The counties of Los Angeles, Orange, Riverside, and San Diego and any other infested areas of the State of California, other states, or country.(b) The department may designate additional or expanded quarantined areas, or a reduction of the quarantined area based upon the confirmation of the presence or absence of the cottonseed bug. The designations will be effective upon the posting of the notification of the quarantined areas on the department's website.