A Chinese company exported a consignment of goods on the basis of CIF price term. The stipulation on the contract is “the goods shall be shipped in September, and the Letter of Credit remains valid until Oct. 15 th .” The seller delivered the goods on Sept. 15 th , and obtained a set of clean on board Bill of Lading. Then the seller negotiated the payment from the bank by the documents. However, when the buyer took delivery of the goods, he found that goods are badly damaged, and there was a shortage of 20 cases. In view of this, The buyer refused to accept the goods and required the seller to return the payment. Questions: (1) Does the buyer have right to refuse the goods and claim for the return of payment? (2) What shall the buyer do to deal with this matter?