To employ every reasonable effort to ensure delivery of the Yacht on the date and at the place agreed in the charter agreement, but if for any cause whatsoever the Yacht shall not be available, the Charterer shall have the right of choice of one of the following possibilities:
(I) Provided that the following charter commitment of the Yacht allows it and that the Owner agrees, to prolong the period of charter by the same length of time by which the delivery has been delayed.
(II) To leave the date of termination unchanged as in Clause 1 hereof and to be refunded by the Owner with an amount proportional to the time by which delivery was delayed at the rate corresponding to the total charter fees in the charter contract
(III) If the delay of delivery exceeds one fourth (1/4) of the total charter time, to cancel this Agreement and be refunded by the Owner with the total amount paid for this charter. In any of the events mentioned in this clause, neither party shall be liable to pay to the other any other compensation for any loss or damage resulting from the curtailment or the cancellation of the respective charter agreement.