Instruct: Given a statement, retrieve articles that support it.
Query: 
In cases where a portion of purchased land is owned by a person other than the seller, and the buyer knows this at the time when the contract is concluded, if the seller cannot transfer this to the buyer, the buyer cannot demand the seller


Article 565
The provisions of the preceding three Articles apply mutatis mutandis if the right transferred by the seller to the buyer does not conform to the terms of the contract (including the case in which the seller fails to transfer part of a right that belongs to another person).
Article 563
(1) In the case prescribed in the main clause of paragraph (1) of the preceding Article, if the buyer demands that the seller cure the non-conformity of performance by specifying a reasonable period of time but the non-conformity of performance is not cured within that period, the buyer may request a reduction of the price in proportion to the degree of non-conformity.
(2) Notwithstanding the provisions of the preceding paragraph, in the following cases, a buyer in good faith may request a reduction of the price immediately without making demand referred to in that paragraph:
(i) if it is impossible to cure the non-conformity of performance;
(ii) if the seller unequivocally manifests the intention to refuse to cure the non-conformity of performance;
(iii) if, due to the nature of the contract or a manifestation of intention by the parties, the purpose of the contract is unable to be achieved unless the performance is carried out at a specific time on a specific date or within a certain period of time, and the seller fails to cure the non-conformity of the performance at the time or before the period expires; or
(iv) beyond the cases set forth in the preceding items, it is obvious that the seller is unlikely to cure the non-conformity of the performance even if the buyer makes the demand referred to in the preceding paragraph.
(3) If the non-conformity referred to in paragraph (1) is due to grounds attributable to the buyer, the buyer may not request a reduction of the price under the provisions of the preceding two paragraphs..


Article 596
The provisions of Article 551
apply mutatis mutandis to loans for use.
Article 551
(1) The donor is presumed to have promised to deliver or transfer the thing or right that is the subject matter of the gift, while maintaining its condition as of the time when it is specified as the subject matter of the gift.
(2) With respect to gifts with burden, the donor provides the same warranty as that of a seller, to the extent of that burden.
Article 415
(1) If an obligor fails to perform consistent with the purpose of the obligation or the performance of an obligation is impossible, the obligee may claim compensation for loss or damage arising from the failure;provided, however, that this does not apply if the failure to perform the obligation is due to grounds not attributable to the obligor in light of the contract or other sources of obligation and the common sense in the transaction.
(2) If the obligee is entitled to claim compensation for loss or damage pursuant to the provisions of the preceding paragraph, and any of the following cases applies, the obligee may claim compensation for loss or damage in lieu of the performance of the obligation:
(i) the performance of the obligation is impossible;
(ii) the obligor manifests the intention to refuse to perform the obligation; or
(iii) the obligation has arisen from a contract, and the contract is cancelled or the obligee acquires the right to cancel the contract on the ground of the obligor's failure to perform the obligation..


Article 443
(1) If one of the joint and several obligors performs the obligation or otherwise obtains a common discharge in exchange for that obligor's own property, while knowing the existence of other joint and several obligors but without giving notice of the common discharge to the other joint and several obligors, another joint and several obligor has a defense that can be duly asserted against the obligee, the other joint and several obligor may duly assert that defense against the joint and several obligor that obtained the discharge to the extent of the other obligor's share of the obligation. In such a case, if the other joint and several obligor duly asserts a set-off as defense against the joint and several obligor that obtained the discharge, the joint and several obligor may request the obligee to perform the obligation which should have been extinguished due to set-off.
(2) If one of the joint and several obligors that has performed the obligation or otherwise obtained a common discharge in exchange for that obligor's own property, while knowing the existence of other joint and several obligors, fails to give notice of the acquisition of the discharge to the other joint and several obligors, and as a result, another joint and several obligor performs the obligation or performs another act in good faith to obtain discharge in exchange for that obligor's own property, the other joint and several obligor may deem that the act performed to obtain the discharge is valid..


Article 394
(1) A mortgagee may receive payment from assets other than the mortgaged immovables only for the portion of that mortgagee's claim that is not paid from the proceeds of the relevant mortgaged immovables.
(2) The provisions of the preceding paragraph do not apply if the proceeds of other assets are to be distributed prior to the proceeds of the mortgaged immovables. In these cases, each other obligee may demand that the amount to be distributed to the mortgagee be deposited in order to have the mortgagee receive payment under the provisions of that paragraph..


Article 551
(1) The donor is presumed to have promised to deliver or transfer the thing or right that is the subject matter of the gift, while maintaining its condition as of the time when it is specified as the subject matter of the gift.
(2) With respect to gifts with burden, the donor provides the same warranty as that of a seller, to the extent of that burden..


Article 389
(1) If a building is constructed on a mortgaged land after the creation of a mortgage, the mortgagee may auction the building together with the land;provided, however, that the right of priority of that mortgagee may be exercised solely against the proceeds of the land.
(2) The provisions of the preceding paragraph do not apply if the owner of that building has rights with respect to the possession of the mortgaged land that may be duly asserted against the mortgagee..


Article 557
(1) If the buyer pays earnest money to the seller, the buyer may cancel the contract by waiving the earnest money, or the seller may cancel the contract by actually providing the buyer with twice its amount;provided, however, that this does not apply after the counterparty commences performance of the contract.
(2) The provisions of Article 545, paragraph (4) do not apply to the cases referred to in the preceding paragraph..


Article 345
A pledgee may not allow a pledgor to possess the thing pledged on behalf of the pledgee..


Article 561
If the subject matter of a sale is another person's right (including a part of a right that belongs to another person), the seller bears an obligation to acquire the right and transfer it to the buyer..


Article 349
The pledgor may not, either by the acts establishing pledges or by contracts made prior to the due dates for the obligations, allow the pledgee to acquire ownership of the thing pledged as satisfaction of the obligations, nor promise to allow the pledgee to dispose of it in any manner other than is prescribed by law..


Article 295
(1) If a possessor of a thing belonging to another person has a claim that has arisen in relation to that thing, that possessor may retain that thing until that claim is satisfied;provided, however, that this does not apply if the relevant claim has not yet fallen due.
(2) The provisions of the preceding paragraph do not apply if possession commenced by means of a tortious act.
Article 533
A party to a bilateral contract may refuse to perform that party's own obligation until the other party tenders the performance of that other party's obligation (including the performance of an obligation to compensate for loss or damage in lieu of the performance of an obligation);provided, however, that this does not apply if the obligation of the other party is not yet due..


Article 577
(1) If a mortgage that does not conform to the terms of the contract is registered on immovables that have been purchased, the buyer may refuse to pay the price until the completion of the procedures of the claim for extinguishment of the mortgage. In such cases, the seller may demand that the buyer file the claim for extinguishment of the mortgage without delay.
(2) The provisions of the preceding paragraph apply mutatis mutandis if a statutory lien or pledge that does not conform to the terms of the contract is registered on the immovables that have been bought..


Article 292
If dominant land is co-owned by more than one person, and expiry of prescription period is postponed or prescription period is renewed in favor of one co-owner, the postponement of expiry of prescription period or the renewal of prescription period is also effective for the benefit of other co-owners..


Article 117
(1) A person who concludes a contract as an agent of another person is liable to the counterparty for the performance of the contract or compensation for loss or damage, as chosen by the counterparty, unless the person proves the authority to represent or the principal ratifies the contract.
(2) The provisions of the preceding paragraph do not apply in the following cases:
(i) if the counterparty knew that the person who concluded the contract as an agent of the other person had no authority to represent;
(ii) if the counterparty was negligent in not knowing that the person who concluded the contract as an agent of the other person had no authority to represent;provided, however, that this does not apply if the person who concluded a contract as an agent of the other person knew themselves to have no authority to represent; or
(iii) if the legal capacity to act of the person who concluded the contract as an agent of the other person was subject to restrictions..


Article 388
If the land and a building on that land belong to the same owner, a mortgage is created with respect to that land or building, and the enforcement of that mortgage causes them to belong to different owners, it is deemed that a superficies has been created with respect to that building.In this case, the rent is fixed by the court at the request of the parties..


Article 213
(1) If the partition of land creates a parcel of land that has no access to public roads, the owner of that parcel of land may pass to the public roads only through the lands owned by another person that participated in the partition.In this case, it is necessary to pay compensation.
(2) The provisions of the preceding paragraph apply mutatis mutandis if the owner of land transfers part of the land to another person..


Article 424 (1) An obligee may demand the court to rescind an act which the obligor commits knowing that it will prejudice the obligee; provided, however, that this does not apply if a person that benefits from that act (hereinafter referred to as the "beneficiary" in this Subsection) does not know, at the time of the act, that the obligee will be prejudiced.


Article 717
(1) If a defect in the installation or preservation of a structure on land causes damage to another person, the possessor of that structure is liable to the person incurring damage to compensate for the damage;provided, however, that if the possessor has exercised the necessary care to prevent the damage, the owner must compensate for the damage.
(2) The provisions of the preceding paragraph apply mutatis mutandis if there is a defect in the planting or supporting of bamboo or trees.
(3) In the cases referred to in the preceding two paragraphs, if there is another person that is liable for the cause of the damage, the possessor or owner may exercise their right to reimbursement against that person..


Article 555
A sale becomes effective when one of the parties promises to transfer certain property rights to the other party and the other party promises to pay the price for this.
Article 560
The seller bears an obligation to enable the buyer to satisfy the requirements for perfection of the transfer of the right that is the subject matter of the sale, such as completing registration..


Article 575
(1) If the subject matter of a sale which has not yet been delivered bears fruits, the fruits vest in the seller.
(2) The buyer bears the obligation to pay interest on the price beginning from the day of delivery;provided, however, that if a due date is provided for the payment of the price, it is not necessary to pay the interest until that due date arrives..


Article 295
(1) If a possessor of a thing belonging to another person has a claim that has arisen in relation to that thing, that possessor may retain that thing until that claim is satisfied;provided, however, that this does not apply if the relevant claim has not yet fallen due.
(2) The provisions of the preceding paragraph do not apply if possession commenced by means of a tortious act..


Article 521
(1) Unless otherwise provided for in laws and regulations, any person may freely decide whether or not to conclude a contract.
(2) Parties to a contract may freely decide the terms of the contract, subject to the restrictions prescribed by laws and regulations..


Article 295
(1) If a possessor of a thing belonging to another person has a claim that has arisen in relation to that thing, that possessor may retain that thing until that claim is satisfied;provided, however, that this does not apply if the relevant claim has not yet fallen due.
(2) The provisions of the preceding paragraph do not apply if possession commenced by means of a tortious act..


Article 295
(1) If a possessor of a thing belonging to another person has a claim that has arisen in relation to that thing, that possessor may retain that thing until that claim is satisfied;provided, however, that this does not apply if the relevant claim has not yet fallen due.
(2) The provisions of the preceding paragraph do not apply if possession commenced by means of a tortious act..


Article 233
(1) If a tree or bamboo branch from neighboring land crosses a boundary line, the landowner may have the owner of that tree or bamboo sever that branch.
(2) If a tree or bamboo root from neighboring land crosses a boundary line, the owner of the land may sever that root..
