previous notice
4.4 in the event of the vessel being employed in trading operations which entail cargo loading or discharging at sea from or into another vessel (not being a harbour or inshore craft)no claim shall be recoverable under this insurance for loss of or damage to the vessel or liability to any other vessel arising from such loading or discharging operations, including whilst approaching, lying alongside and leaving , unless previous notice that the vessel is to be employed in such operations has been given to the underwriters and any amended terms of cover and any additional premium required by them have been agreed.

