Instruct: Given a statement, retrieve legal articles that support it
Query: 
A performance made vis-a-vis a person who has no authority to receive the performance shall have no effect to the obligee even if he/she is enriched as a result thereof.


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 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 494
(1) In the following cases, a performer may deposit the subject matter of the performance with an official depository for the benefit of the obligee. In such a case, the claim is extinguished when the performer makes the deposit:
(i) the performer tenders the performance, and the obligee refuses to accept it; or
(ii) the obligee is unable to accept the performance.
(2) The preceding paragraph also applies if the performer is unable to ascertain the obligee;provided, however, that this does not apply if the performer is negligent in this respect..


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 108
(1) An act that a person performs as an agent of the counterparty or as agent of both parties for the same juridical act is deemed to be an act performed by a person without authority to represent;provided, however, that this does not apply to the performance of an obligation or to an act authorized by the principal in advance.
(2) Beyond what is provided for in the main clause of the preceding paragraph, an act for which the interest of the agent conflicts with the interest of the principal is deemed to be an act performed by a person without authority to represent;provided, however, that this does not apply to an act authorized by the principal in advance..


Article 665
The provisions of Articles 646 through 648, Article 649, and Article 650, paragraphs (1) and (2) apply mutatis mutandis to bailments.
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 536
(1) If the performance of an obligation becomes impossible due to grounds not attributable to either party, the obligee may refuse to perform counter-performance.
(2) If the performance of an obligation becomes impossible due to grounds attributable to the obligee, the obligee may not refuse to complete counter-performance. In such a case, if the obligor benefits from being released from that obligation, the obligor must reimburse the obligee for the benefit..


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 303
The holder of a statutory lien has the rights to have that holder's own claim satisfied prior to other obligees out of the assets of the relevant obligor in accordance with the provisions of laws including this Act..


Article 481
(1) If a third party obligor of a claim that has been attached performs the obligation to that third party's own obligee, the attaching obligee is entitled to request the third party obligor to perform the obligation de novo to the extent of the damage sustained by the attaching obligee.
(2) The provisions of the preceding paragraph do not preclude the relevant third party obligor from exercising the right to reimbursement from the obligee..


Article 656
The provisions of this Section apply mutatis mutandis to entrustments of business that do not constitute juridical acts.
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 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 504
(1) If there is a person that has legitimate interest in performing an obligation (hereinafter referred to as a "person entitled to subrogation" in this paragraph), and the obligee causes the security thereof to be lost or diminished intentionally or negligently, the person entitled to subrogation is relieved from responsibility to the extent that that person can no longer seek the reimbursement due to the loss or diminution in the security available upon subrogation. If the person entitled to subrogation is a third-party collateral provider, the same applies to a third party that has acquired from the person entitled to subrogation the property that is the subject of security and to the specific successor thereof.
(2) The provisions of the preceding paragraph do not apply if the obligee is found to have reasonable grounds in light of the common sense in the transaction for causing the security to be lost or diminished..


Article 494
(1) In the following cases, a performer may deposit the subject matter of the performance with an official depository for the benefit of the obligee. In such a case, the claim is extinguished when the performer makes the deposit:
(i) the performer tenders the performance, and the obligee refuses to accept it; or
(ii) the obligee is unable to accept the performance.
(2) The preceding paragraph also applies if the performer is unable to ascertain the obligee;provided, however, that this does not apply if the performer is negligent in this respect..


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 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 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 493
The tender of the performance must be made actually consistent with the main purport of the obligation;provided, however, that if the obligee refuses to accept that performance in advance or if any act is required on the part of the obligee with respect to the performance of the obligation, it is sufficient for the obligor to request the acceptance thereof by giving a notice that the tender of the performance has been prepared..


Article 450
(1) If an obligor has the obligation to provide a guarantor, that guarantor must:
(i) be a person with capacity to act; and
(ii) have sufficient financial resources to pay the obligation.
(2) If the guarantor ceases to meet the requirements set forth in item (ii) of the preceding paragraph, the obligee may demand that some other person meeting the requirements set forth in any item of the same paragraph be substituted for that guarantor.
(3) The provisions of the preceding two paragraphs do not apply if the obligee has designated the guarantor..


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..


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 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 705
A person that has paid money or delivered anything as performance of an obligation may not demand the return of the money paid or thing delivered if the person knew, at the time, that the obligation did not exist..


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.
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.


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 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 344
The creation of a pledge becomes effective through delivery of the subject matter of the pledge to the obligee.
Article 345
A pledgee may not allow a pledgor to possess the thing pledged on behalf of the pledgee..
