Instruct: Given a legal statement, retrieve articles that support it
Query: 
A lessor who cancels a lease contract for reasons of unauthorized subleasing, and demands the lessee to return the subject matter is not required to demonstrate proof that he/she did not consent to the sublease.


Article 612
(1) A lessee may not assign the lease or sublease a leased thing without obtaining the approval of the lessor.
(2) If the lessee allows any third party to make use of or take the profits of a leased thing in violation of the provisions of the preceding paragraph, the lessor may cancel the contract..


Article 606 (1) A lessor assumes an obligation to effect repairs necessary for using and making profit of the leased thing; provided, however, that this does not apply if repairs are necessary due to any grounds attributable to the lessee.


Article 302
A right of retention is extinguished if the holder of the right of retention loses possession of the thing retained;provided, however, that this does not apply if the thing retained is leased or it is made the subject of a pledge pursuant to the provisions of Article 298, paragraph (2).
Article 298
(1) The holder of a right of retention must possess the thing retained with the due care of a prudent manager.
(2) The holder of the right of retention may not use, lease or provide as a security the thing retained unless that holder obtains the consent of the obligor;provided, however, that this does not apply to uses necessary for the preservation of that thing.
(3) If the holder of a right of retention violates the provisions of the preceding two paragraphs, the obligor may demand that the right of retention be terminated..


Article 594
(1) A borrower must make use of and take the profits of the thing in compliance with the method of use specified by the contract or by the nature of the thing which is the subject matter of the contract.
(2) A borrower may not allow third parties to make use of or take the profits of the thing without obtaining the approval of the lender.
(3) If a borrower has made use of or taken the profits of the thing in violation of the provisions of the preceding two paragraphs, the lender may cancel the contract.
Article 616
The provisions of Article 594, paragraph (1) apply mutatis mutandis to leases..


Article 652
The provisions of Article 620
apply mutatis mutandis to mandates.
Article 620
If a lease is cancelled, the cancellation becomes effective solely toward the future. In such a case, the cancellation does not preclude a claim for compensation for loss or damage..


Article 559
The provisions of this Section apply mutatis mutandis to contracts for value other than contracts for sale;provided, however, that this does not apply when it is not permitted by the nature of the contract for value.
Article 562
(1) If the subject matter delivered to the buyer does not conform to the terms of the contract with respect to the kind, quality or quantity, the buyer may demand that the seller cure the non-conformity of performance by repairing the subject matter, delivering the substitute or delivering the replenishment;provided, however, that the seller may cure the non-conformity of performance by a method that is different from the method demanded by the buyer if it does not impose any undue burden on the buyer.
(2) If the non-conformity referred to in the preceding paragraph is due to grounds attributable to the buyer, the buyer may not demand that the seller cure the non-conformity of performance under the provisions of that paragraph..


Article 606
(1) A lessor assumes an obligation to effect repairs necessary for using and making profit of the leased thing;provided, however, that this does not apply if repairs are necessary due to any grounds attributable to the lessee.
(2) A lessee may not refuse if the lessor seeks to engage in an act that is necessary for the preservation of the leased thing..


Article 499 A person that has performed the obligation for the benefit of the obligor is subrogated to the claim of the obligee.
Article 500 The provisions of Article 467 apply mutatis mutandis in the case referred to in the preceding Article (unless a person with a legitimate interest in making performance is subrogated to the claim of the obligee).


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 621 If any damage is caused to the leased thing after the lessee receives it (excluding any wear of the leased thing caused by the ordinary manner of using and making profit from it and any aging degradation of the leased thing; hereinafter the same applies in this Article), the lessee has an obligation to restore the damaged thing when the lease is terminated; provided, however, that this does not apply if the damage is caused due to any grounds not attributable to the lessee.


Article 102
An act that a person with qualified legal capacity performs as an agent of another person may not be rescinded on the grounds of qualified legal capacity;provided, however, that this does not apply to an act performed by a person with qualified legal capacity as a legal representative of another person with qualified legal capacity..


Article 566 If the subject matter delivered by the seller to the buyer does not conform to the terms of the contract with respect to the kind or quality, and the buyer fails to notify the seller of the non-conformity within one year from the time when the buyer becomes aware of it, the buyer may not demand cure of the non-conformity of performance, demand a reduction of the price, claim compensation for loss or damage, or cancel the contract, on the grounds of the non-conformity; provided, however, that this does not apply if the seller knew or did not know due to gross negligence the non-conformity at the time of the delivery.


Article 395
(1) A person that uses or profits from a building subject to a mortgage by virtue of a lease that cannot be duly asserted against the mortgagee, and that is set forth as follows (in the following paragraph referred to as "mortgaged building user") is not required to deliver that building to the purchaser thereof until six months have passed from the time when the purchaser purchased that building at auction:
(i) a person that has been using or profiting from the building since prior to the commencement of auction procedures; or
(ii) a person that is using or profiting from the building by virtue of a lease given after the commencement of auction procedures by the administrator of compulsory administration or execution against earnings from immovable collateral.
(2) The provisions of the preceding paragraph do not apply if the purchaser, specifying a reasonable period of time, issues a notice to the mortgaged building user demanding payment of consideration for a period of one month or more with respect to the use of the building referred to in that paragraph that has been made after the time of purchase by the purchaser, and no payment is made within that reasonable period of time.
Article 703
A person that has benefited (hereinafter in this Chapter referred to as "beneficiary") from the property or labor of another person without legal cause and has thereby caused a loss to another person bears the duty to return that benefit, to the extent the benefit exists..


Article 424-7 (1) In an action concerning demand for rescission of fraudulent act, the person specified in each of the following items according to the categories set forth in the respective items stands as a defendant:
(i) an action concerning demand for rescission of fraudulent act against the beneficiary: the beneficiary; or
(ii) an action concerning demand for rescission of fraudulent act against the subsequent acquirer: the subsequent acquirer that is the other party to the demand for rescission of fraudulent act.
(2) If the obligee files an action concerning demand for rescission of fraudulent act, the obligee must give notice of suit to the obligor without delay.


Article 601
A lease becomes effective if one of the parties promises to make a certain thing available for the other party to use and make profit, and the other party promises to pay rent for the leased thing and return the delivered thing when the contract is terminated..


Article 566
If the subject matter delivered by the seller to the buyer does not conform to the terms of the contract with respect to the kind or quality, and the buyer fails to notify the seller of the non-conformity within one year from the time when the buyer becomes aware of it, the buyer may not demand cure of the non-conformity of performance, demand a reduction of the price, claim compensation for loss or damage, or cancel the contract, on the grounds of the non-conformity;provided, however, that this does not apply if the seller knew or did not know due to gross negligence the non-conformity at the time of the delivery..


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 593
A loan for use becomes effective if one of the parties promises to deliver a certain thing, and the other party promises to return the thing when the contract is terminated after the other party gratuitously uses and makes profit of the borrowed thing.
Article 400
If the subject matter of a claim is the delivery of a specific thing, the obligor must retain the thing with the due care of a prudent manager, which is determined in light of the contract or other sources of claims and the common sense in the transaction, until the delivery..


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 546
The provisions of Article 533
apply mutatis mutandis to the preceding Article..


Article 120
(1) An act that is voidable on the grounds of the qualified legal capacity to act of the person who did the act may be rescinded only by the person with qualified legal capacity (in the case of an act performed by the person as a legal representative of another person with limited capacity, including that other person with limited capacity), or an agent or successor thereof, or a person who has the authority to give consent thereto.
(2) An act that is voidable on the grounds of a mistake, fraud or duress may be rescinded only by the person who made the defective manifestation of intention, or an agent or successor thereof..


Article 5
(1) A minor must obtain the consent of the minor's legal representative to perform a juridical act;provided, however, that this does not apply to a juridical act for merely acquiring a right or being released from an obligation.
(2) A juridical act in contravention of the provisions of the preceding paragraph is voidable.
(3) Notwithstanding the provisions of paragraph (1), a minor may freely dispose of property that the legal representative has permitted the minor to dispose of for a specified purpose, to an extent that falls within the scope of that purpose. The same applies if the minor disposes of property that the legal representative has permitted the minor to dispose of without specifying a purpose..


Article 181
Possessory rights may be acquired through an agent.
Article 658
(1) A bailee may not use the bailed thing without obtaining the consent of the bailor.
(2) The bailee may not have a third party keep the bailed thing in custody unless the bailee obtains the consent of the bailor or there is a compelling reason to do so.
(3) A sub-bailee has the same rights and obligations as those of the bailee in relation to the bailor within the scope of authority thereof..


Article 613 (3) If the lessee lawfully subleases a leased thing, the lessor may not duly assert against the sublessee the cancellation by agreement of the lease with the lessee; provided, however, that this does not apply if, at the time of the cancellation, the lessor has a right to cancel due to non-performance on the part of the lessee.


Article 467
(1) The assignment of a claim (including the assignment of a claim that is yet to arise) may not be duly asserted against the applicable obligor or any other third party, unless the assignor gives notice thereof to the obligor or the obligor has consented to the same.
(2) Notice or consent as referred to in the preceding paragraph may not be duly asserted against a third party other than the obligor unless the notice or the consent is made using an instrument bearing a certified date..


Article 601
A lease becomes effective if one of the parties promises to make a certain thing available for the other party to use and make profit, and the other party promises to pay rent for the leased thing and return the delivered thing when the contract is terminated.
Article 587
A loan for consumption becomes effective when a first party receives money or any other thing from a second party, having promised to return a thing of the same type, quality, and quantity..
