(3) If the owner or managing owner, or in the event of there being no owner or managing owner resident in Saint Lucia, the agent of any ship to which this section applies, has reason to believe that the ship has sustained or caused any such accident or received any such damage, or has been involved in any such collision as is mentioned in subsection (1), he or she shall satisfy himself or herself that the accident, damage or collision has been reported to the Director by the master; and, where any such managing owner or agent has reason to believe that the accident, damage or collision has not been so reported, he or she shall as soon as possible, send to the Director notice in writing stating the name of the ship, its official number, and its Port of Registry or the port to which it belongs, and stating to the best of his or her knowledge and belief, the nature and extent of the accident, damage or collision, the probable cause thereof and the location of the ship.