Instruct: Given a statement, retrieve articles that support it.
Query: 
In cases where the contract of guarantee between C and B is concluded with respect to monetary debt of A against B; when C, who has become a guarantor against the will of A, has performed the obligation, C shall have the right to obtain reimbursement only to the extent that A is actually enriched.


Article 462
(1) The provisions of Article 459-2, paragraph (1) apply mutatis mutandis if a person, that has given guarantee without the request of the principal obligor, performs an act for extinguishment of obligation.
(2) A person that has become a guarantor against the will of the principal obligor has the right to reimbursement only to the extent currently enriched.In this case, if the principal obligor asserts to have grounds for set-off against the obligee prior to the day of the demand for reimbursement, the guarantor may demand that the obligee perform the obligation which would have been extinguished by that set-off.
(3) The provisions of Article 459-2, paragraph (3) apply mutatis mutandis to the exercise of the right to reimbursement if the guarantor referred to in the preceding two paragraphs performs an act for extinguishment of obligation before the due date of the principal obligation..


Article 449
If a guarantor that guarantees an obligation which may be voidable due to the principal obligor's limited capacity to act, is aware, at the time of entering into a guarantee contract, of the cause for its voidability, that guarantor is presumed to have assumed an independent obligation of the same subject matter in the event of non-performance by the principal obligor or rescission of the obligation..


Article 429
Even if there is a novation or release between one of the obligees of an indivisible claim and the obligor, other obligees may request the obligor to perform the obligation in whole. In such a case, the benefit which should have been allocated to that one obligee if that obligee did not lose the relevant right must be reimbursed to the obligor..


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 455
If after the guarantor makes a request or gives proof pursuant to the provisions of Article 452
or Article 453, the obligee fails to demand or to levy execution and becomes unable to obtain full performance from the principal obligor as a result of that, the guarantor is released from the obligation to the extent that the obligee would have received payment if the obligee had immediately demanded or levied execution..


Article 653
A mandate terminates when:
(i) the mandator or mandatary dies;
(ii) the mandator or mandatary is subject to an order commencing bankruptcy proceeding;
(iii) the mandatary is subject to a decision for the commencement of guardianship..


Article 545
(1) If one of the parties exercises the right to cancel, each party assumes an obligation to restore the other party to that other party's original state;provided, however, that this may not prejudice the rights of a third party.
(2) In the case referred to in the main clause of the preceding paragraph, if any monies are to be refunded, interest must accrue from the time of the receipt of those monies.
(3) In the case referred to in the main clause of paragraph (1), if a thing other than money is to be returned, fruits that have accrued on or after the time of the receipt of the thing must also be returned.
(4) The exercise of the right to cancel does not preclude claims for compensation for loss or damage..


Article 465-4
(1) The principal of the principal obligation under a contract for revolving guarantee by an individual is crystallized in the following cases;provided, however, that in the case set forth in item (i), it is crystallized only if the procedure for compulsory execution or enforcement procedure of a security right is commenced:
(i) if an obligee files a petition for compulsory execution or enforcement of any security right for a claim for payment of money with regard to any property of the guarantor;
(ii) if the guarantor receives an order commencing bankruptcy proceeding; or
(iii) the relevant principal obligor or guarantor has died.
(2) Beyond the case prescribed in the preceding paragraph, the principal of the principal obligation under a contract for revolving guarantee by an individual for loans is crystallized in the following cases;provided, however, that in the case set forth in item (i), it is crystallized only if the procedure for compulsory execution or enforcement procedure of a security right is commenced:
(i) if the obligee files a petition for compulsory execution or enforcement of a security right for a claim for payment of money with regard to property of the principal obligor; or
(ii) if the principal obligor receives an order commencing bankruptcy proceeding..


Article 447
(1) The guarantee obligation includes interest, penalty and compensation for loss or damage in connection with the principal obligation, and all other charges secondary to that obligation.
(2) A guarantor may stipulate the amount of penalty or compensation for loss or damage with regard to the guarantor's own guarantee obligation only..


Article 653 A mandate terminates when:
(i) the mandator or mandatary dies;
(ii) the mandator or mandatary is subject to an order commencing bankruptcy proceeding;
(iii) the mandatary is subject to a decision for the commencement of guardianship.
Article 655 The grounds of termination of mandate may not be asserted against the other party unless the other party was notified of or knew of the same.


Article 496
(1) As long as the obligee does not accept the deposit, or the judgment which pronounces that the deposit is effective does not become final and binding, the performer may recover the deposited thingy. In such case, it is deemed that no deposit has been effected.
(2) The provisions of the preceding paragraph do not apply in cases any pledge or mortgage has been extinguished due to the deposit..


Article 453
Even after the obligee has made a demand to the principal obligor in accordance with the provisions of the preceding Article, the obligee must first execute on the property of the principal obligor if the guarantor proves that the principal obligor has the financial resources to pay the obligation and that the execution can be easily performed..


Article 460
If a guarantor has given a guarantee as requested by the principal obligor, the guarantor may exercise in advance the right to reimbursement against the principal obligor if:
(i) the principal obligor is subject to an order commencing bankruptcy proceeding, and the obligee does not participate in the distribution of the bankruptcy estate;
(ii) the obligation is due;provided, however, that no extension of time granted by the obligee to the principal obligor after the conclusion of the guarantee contract may be duly asserted against the guarantor; and
(iii) the guarantor is, without negligence, rendered a judicial decision ordering the guarantor to perform the obligation to the obligee..


Article 642
(1) If the party ordering work receives an order commencing bankruptcy proceeding, the contractor or the bankruptcy trustee may cancel the contract;provided, however, that this does not apply to the cancellation of the contract by the contractor after the work is completed.
(2) In the case prescribed in the preceding paragraph, the contractor may participate in the distribution of the bankruptcy estate with respect to the remuneration for the work already completed and expenses not included therein.
(3) In the cases referred to in paragraph (1), claims for compensation for loss or damage suffered as a result of the cancellation of the contract are permitted only for contractors under contracts cancelled by the bankruptcy trustee. In such a case, the contractors participate in the distribution of the bankruptcy estate with respect to such compensation for loss or damage..


Article 423
(1) An obligee may exercise the right of the obligor (hereinafter referred to as the "subrogor's right") when it is necessary to do so in order to preserve the obligee's own claim; provided, however, that this does not apply to rights which belong exclusively to and are personal to the obligor or rights which are immune from attachment.
(2) The obligee may not exercise the subrogor's right unless and until the obligee's claim becomes due;provided, however, that this does not apply to an act of preservation.
(3) The obligee may not exercise the subrogor's right if the obligee's claim is not enforceable by compulsory execution..


Article 304
(1) A statutory lien may also be exercised against things including monies that the obligor is to receive as a result of the sale, lease or loss of, or damage to, the subject matter of the statutory lien;provided, however, that the holder of the statutory lien must attach the same before the payment or delivery of the monies or other thing.
(2) The provisions of the preceding paragraph also apply to the consideration for real rights created by the obligor on the subject matter of the statutory lien..


Article 465-2
(1) A guarantor to a guarantee contract under which the principal obligation is one or more unidentified obligations within a certain specified scope (hereinafter referred to as a "contract for revolving guarantee") and the guarantor is not a corporation (hereinafter referred to as a "contract for revolving guarantee by an individual") is liable to perform the obligation in terms of the amounts of the principal of the principal obligation, any interest, penalty and compensation for loss or damage in connection with the principal obligation, and all the other charges secondary to the obligation, as well as the amount of any penalty or compensation for loss or damage which is agreed- upon on with regard to the guarantee obligation, up to a certain maximum amount which pertains to all of these amounts.
(2) A contract for revolving guarantee by an individual does not become effective unless it provides for the maximum amount prescribed in the preceding paragraph.
(3) The provisions of Article 446, paragraphs (2) and (3) apply mutatis mutandis to the provisions concerning a maximum amount prescribed in paragraph (1) in a contract for revolving guarantee by an individual.
Article 446
(1) A guarantor has the responsibility to perform the obligation of the principal obligor when the latter fails to perform that obligation.
(2) No guarantee contract becomes effective unless it is made in writing.
(3) If a guarantee contract is concluded by electronic or magnetic record which records the terms thereof, the guarantee contract is deemed to be made in writing, and the provisions of the preceding paragraph apply..


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 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.


Article 478
Performance made to a person that does not constitute a person authorized to accept the performance (meaning the obligee or a third party authorized to accept performance based on the provisions of laws and regulations or the manifestation of intention of the parties; the same applies hereinafter) but that appears to be the person authorized to accept the performance in light of common sense in the transaction is effective only if the person effecting performance was acting in good faith and without negligence.
Article 479
Except as provided in the preceding Article, any performance made to a person other than the person with right to performance is effective only to the extent that the obligee is enriched as a result thereof..


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 545
(1) If one of the parties exercises the right to cancel, each party assumes an obligation to restore the other party to that other party's original state;provided, however, that this may not prejudice the rights of a third party.
(2) In the case referred to in the main clause of the preceding paragraph, if any monies are to be refunded, interest must accrue from the time of the receipt of those monies.
(3) In the case referred to in the main clause of paragraph (1), if a thing other than money is to be returned, fruits that have accrued on or after the time of the receipt of the thing must also be returned.
(4) The exercise of the right to cancel does not preclude claims for compensation for loss or damage..


Article 350
The provisions of Articles 296 through 300 and those of Article 304
apply mutatis mutandis to pledges.
Article 299
(1) If the holder of a right of retention incurs necessary expenses with respect to the thing retained, that holder may have the owner reimburse the same.
(2) If the holder of a right of retention incurs beneficial expenses with respect to the thing retained, to the extent that there is currently an increase in value as a result of the same, that holder may have the expenses incurred or the increase in value reimbursed at the owner's choice;provided, however, that the court may, at the request of the owner, grant a reasonable period of time for the reimbursement of the same..


Article 648
(1) In the absence of any special agreements, the mandatary may not claim remuneration from the mandator.
(2) If a mandatary is to receive remuneration, the mandatary may not claim this until after having performed the mandated business;provided, however, that if the remuneration is specified with reference to period, the provisions of Article 624, paragraph (2) apply mutatis mutandis.
(3) In the following cases, the mandatary may demand remuneration in proportion to the performance already completed:
(i) if the mandatary is no longer able to perform the mandated business due to any grounds not attributable to the mandator; or
(ii) if the mandate is terminated during the course of performance..


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..
