Singapore special line 3. The insured has the obligation to notify the contents of the insurance document. If the cargo or the voyage changes, the insured is obliged to notify the insurer of the validity of the insurance contract as soon as it is discovered. In order to maintain the insurance 4. The insured has the obligation to provide a claim document. The insured usually needs to provide the original insurance policy, bill of lading, invoice, packing list, certificate of cargo damage and cargo difference, inspection report, claim list and other documents when making a claim . Singapore Line 5. The insured is obliged to inform the ship collision clause. When the insured is informed of the occurrence of the 'ship collision liability' clause, the liability of the two ships should be notified to the insurer in time. The issue of customs clearance and how much cargo loss is obtained by the ship that has been hit are directly related to the interests of the insurer.