The U.S. Coast Guard issued voluntary screening guidance for owners and operators of vessels and facilities regulated under parts 104, 105, and 106 of the maritime security regulations. The guidance addresses screening of persons, cargo, vehicles, and baggage prior to allowing access to the vessel or facility. Details of the guidance are classified as security sensitive information (SSI) and will only be provided to those with a need to know. NVIC 06-04 (HK Law).