Any Declaration of Security completed in respect of a ship or a port facility must be retained for at least 3 years after it was last used, on board the ship by the master.
Any completed Declaration of Security relating to one of a ship’s last 10 calls at port facilities must be retained on board the ship by the master for as long as it relates to any of those last 10 calls, even where the period over which those calls extend exceeds the minimum 3 year period. (Reg. 18)