If a third person claims a right over the subject matter of the sale, and consequently there is a danger of the buyer's losing what he or she has bought in whole or in part, he or she may refuse payment of the purchase-price to the extent of such danger; provided, this shall not apply when the seller furnishes reasonable security.
Civil Act — Article 588 (Buyer's right to refuse payment of purchase-price where third person claims right)
민법 제588조
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