Instruct: Given a legal statement, retrieve articles that support the statement.
Query: 
In cases where  a contract that creates a pledge upon a claim that cannot be assigned due to its nature has been made, such contract is void, regardless of whether the pledgee acted in good or bad faith regarding said non-assignability.


Article 343
A thing that cannot be transferred to another person may not be made the subject of a pledge..


Article 358
The pledgee of immovables may not demand interest on the relevant claim.
Article 359
The provisions of the preceding three Articles do not apply if the acts establishing pledges provide otherwise or execution against earnings from the immovable collateral (referring to the execution against earnings from immovable collateral provided for in Article 180, item (ii) of the Civil Execution Act; the same applies hereinafter) has been commenced..


Article 346
A pledges secures the principal, interest, penalties, expenses of enforcing the pledge, expense of preserving the thing pledged and the compensation of loss or damage arising from failure to perform obligations or latent defects in the thing pledged;provided, however, that this does not apply if the act establishing the pledge provides otherwise..


Article 520-7
The provisions of Article 520-2 through the preceding Article apply mutatis mutandis to the creation of a pledge on a negotiable instrument payable to order.
Article 520-2
Assignment of a negotiable instrument payable to order does not become effective unless the instrument is indorsed and delivered to the assignee..


Article 362
(1) A pledge may have a property right for its subject matter.
(2) Beyond what is provided for in this Section, the provisions of the preceding three Sections (General Provisions, Pledges on Movables and Pledges of Immovables) apply mutatis mutandis to pledges referred to in the preceding paragraph, provided that it is not inconsistent with the nature of the same.
Article 364
The creation of a pledge over a claim (including a pledge over a claim which has not yet arisen) may not be duly asserted against a third party obligor and other third parties unless notice of the creation of the pledge is given to that third party obligor in accordance with the provisions of Article 467, or unless that third party obligors gives consent to the same.
Article 588
If any person has an obligation to pay money or deliver other thing under any arrangement, and the parties agree to regard such thing as the subject matter of a loan for consumption, it is deemed that this establishes a loan for consumption..


Article 520
If a claim and obligation becomes vested in the same person, such claim is extinguished;provided, however, that this does not apply if such a claim is the subject matter of the right of a third party..


Article 301
An obligor may demand that a right of retention be terminated by providing a reasonable security.
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 526
If an offeror dies, comes to be in a constant state wherein the offeror lacks mental capacity, or becomes subject to restrictions on legal capacity to act after issuing notice of the offer, and the offeror has manifested the intention not to make the offer effective should any of these facts occur, or the other party comes to know that any of these facts has occurred before issuing a notice of acceptance, that offer is not effective..


Article 541
If one of the parties does not perform that party's obligation, and the other party demands performance of that obligation, specifying a reasonable period of time, but no performance is completed during that period, the other party may cancel the contract;provided, however, that this does not apply if the non-performance of the obligations upon the passage of the period is minor in light of the contract and the common sense in the transaction.
Article 564
The provisions of the preceding two Articles do not preclude the buyer from claiming compensation for loss or damage pursuant to the provisions of Article 415
or exercising the right to cancel pursuant to the provisions of Articles 541 and 542..


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 364
The creation of a pledge over a claim (including a pledge over a claim which has not yet arisen) may not be duly asserted against a third party obligor and other third parties unless notice of the creation of the pledge is given to that third party obligor in accordance with the provisions of Article 467, or unless that third party obligors gives consent to the same..


Article 348
The pledgee may subpledge the thing pledged within the duration of the pledgee's right, upon the pledgee's own responsibility.In this case, the pledgee is responsible for any loss arising from the subpledge even if the same is caused by force majeure..


Article 484
(1) Unless a particular intention is manifested with respect to the place where the performance should take place, the delivery of a specific thing must be effected at the place where that thing was located when the relevant claim accrued, and the discharge of any other obligation must be effected at the current domicile of the obligee.
(2) If the trading hours are specified by laws and regulations or customs, performance may be made or demanded only within the trading hours.
Article 401
(1) If the object of a claim is designated only with reference to a type and its quality cannot be determined in light of the nature of the juridical act or intention of the parties, the obligor must deliver a thing of medium quality.
(2) In the case referred to in the preceding paragraph, if the obligor has completed the acts necessary to deliver the thing, or has designated the thing the obligor is to deliver with the consent of the obligee, that thing thenceforth constitutes the subject matter of the claim..


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.
(2) The provisions of the preceding paragraph do not apply to an act with a subject matter other than property rights.
(3) The obligee may make the demand under the provisions of paragraph (1) (hereinafter referred to as "demand for rescission of fraudulent act") only if the obligee's claim has arisen from a cause that existed before the act prescribed in paragraph (1).
(4) The obligee may not make demand for rescission of fraudulent act if the obligee's claim is not enforceable by compulsory execution..


Article 121-2 (1) A person that has received payment or delivery as the performance of an obligation based on a void act has an obligation to restore the other party to the original state.
(2) Notwithstanding the provisions of the preceding paragraph, if a person that receives payment or delivery as the performance of an obligation based on a void gratuitous act did not know that the act was void at the time of receiving the payment or delivery (or if the person did not know that the act was voidable at the time of receiving the payment or delivery in the case of an act which is deemed void ab initio pursuant to the provisions of the preceding Article after the receipt of the payment or delivery), has an obligation to return to the extent currently enriched by the act.


Article 513
If the parties conclude a contract which gives rise to a new obligation that falls under any of the following as a replacement of the previous obligation, the previous obligation is extinguished by novation:
(i) an obligation that makes a material change to the content of the performance of the previous obligation;
(ii) an obligation for which the previous obligor is substituted by a third party; or
(iii) an obligation for which the previous obligee is substituted by a third party..


Article 346
A pledges secures the principal, interest, penalties, expenses of enforcing the pledge, expense of preserving the thing pledged and the compensation of loss or damage arising from failure to perform obligations or latent defects in the thing pledged;provided, however, that this does not apply if the act establishing the pledge provides otherwise..


Article 637
(1) In the case prescribed in the main clause of the preceding Article, if the party ordering work fails to notify the contractor of the non-conformity to the terms of the contract within one year from the time when the party becomes aware of it, the party ordering work may not demand cure of the non-conformity of performance, demand a reduction of the remuneration, claim compensation for loss or damage, or cancel the contract.
(2) The provisions of the preceding paragraph do not apply if the contractor knew or did not know due to gross negligence the non-conformity referred to in that paragraph at the time when the contractor delivers the subject matter of work (in the case of the subject matter of work that is not required to be delivered, when the work is finished)..


Article 636
If the contractor delivers to the party ordering work of a content the subject matter of work that does not conform to the terms of the contract with respect to the kind or quality (in the case of the subject matter of work that is not required to be delivered, if the subject matter of work does not conform to the terms of the contract with respect to the kind or quality when the work is finished), the party ordering work may not demand cure of the non-conformity of performance, demand a reduction of the remuneration, claim compensation for loss or damage, or cancel the contract, on the grounds of the non-conformity caused by the nature of the materials that the party ordering work has provided or any instructions that the relevant party has given;provided, however, that this does not apply if the contractor knew that the materials or instructions were inappropriate but did not notify the ordering party of this..


Article 134
A juridical act subject to a condition precedent is void if the condition is dependent only upon the intention of the obligor..


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 348
The pledgee may subpledge the thing pledged within the duration of the pledgee's right, upon the pledgee's own responsibility.In this case, the pledgee is responsible for any loss arising from the subpledge even if the same is caused by force majeure..


Article 474
(1) A third party may also perform an obligation.
(2) A third party that has no legitimate interest in performing an obligation may not perform the obligation against the will of the obligor;provided, however, that this does not apply if the obligee did not know that the performance is against the will of the obligor.
(3) The third party prescribed in the preceding paragraph may not perform the obligation against the will of the obligee;provided, however, that this does not apply if the third party performs the obligation as requested by the obligor, and the obligee knew this.
(4) The provisions of the preceding three paragraphs do not apply if the nature of an obligation does not permit the performance by a third party or if a party manifests the intention to prohibit or restrict the performance by a third party..


Article 706
If an obligor has paid money or delivered anything as performance of an obligation that has not yet fallen due, the obligor may not demand the return of the money paid or thing delivered;provided, however, that if the obligor tendered anything by mistake, the obligee must return the benefit gained as a result..


Article 537
(1) If one of the parties promises in a contract to render a certain performance to a third party, the third party has the right to claim that performance directly from the obligor.
(2) The validity of the contract referred to in the preceding paragraph is not impaired even if a third party does not exist or a third party is not specified at the time of its formation.
(3) In the case referred to in paragraph (1), rights of the third party accrue when the third party has manifested intention of availing of the benefit of the contract under that paragraph to the obligor.
Article 538
(1) After rights of the third party have accrued pursuant to the provisions of the preceding Article, the parties may not modify or extinguish those rights.
(2) If, after rights of the third party accrue pursuant to the provisions of the preceding Article, the obligor does not perform the obligation to the third party, the other party to the contract referred to in paragraph (1) of that Article may not cancel the contract without the consent of the third party..
