The Hong Kong Marine Department issued a Notice reminding owners and operators of the need to have the IMO ship identification number
permanently marked in a visible and easily accessible place on the ship. Additionally, as of 1 July 2004, ships covered by the IMO requirement must include in their application for entry into Hong Kong waters the IMO ship identification number and a declaration that such number is permanently marked on the ship in accordance with the IMO requirement. Marine Department Notice No. 66 of 2004 (HK Law).