Instruct: Given a legal statement, retrieve articles that support the statement.
Query: 
Gifts not in writing may also be revoked with respect to any portion of the gift for which performance has been completed.


Article 550
Gifts not in writing may be cancelled by either party;provided, however, that this does not apply to a portion of the gift for which performance has been completed..


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 553
With respect to gifts with burden, beyond what is provided for in this Section, the provisions regarding bilateral contracts apply mutatis mutandis, to the extent those provisions are not inconsistent with the nature of gifts with burden..


Article 587-2
(1) Notwithstanding the provisions of the preceding Article, a loan for consumption made in writing becomes effective when a first party promises to deliver money or any other thing and a second party promises to return a thing of the same type, quality, and quantity as the thing delivered.
(2) The borrower of a loan for consumption made in writing may cancel the contract until the borrower receives the money or other thing from the lender. In such a case, if the lender sustains any damage from the cancellation of the contract, the lender may claim compensation therefor.
(3) A loan for consumption made in writing ceases to be effective if either of the parties receives an order commencing bankruptcy proceedings before the borrower receives the thing such as money from the lender.
(4) If a loan for consumption is made by means of an electronic or magnetic record in which its content is recorded, the loan for consumption is deemed to have been made in writing, and the provisions of the preceding three paragraphs apply thereto..


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 663
(1) If the parties have not specified the timing of the return of the bailed thing, the bailee may return the same at any time.
(2) If the timing of the return is specified, the bailee may not return the deposited thing prior to the due date unless there is a compelling reason to do so..


Article 617
(1) If the parties do not specify the term of a lease, either party may give a notice of termination at any time. In such cases, a lease as set forth in one of the following items terminates when the term prescribed in that item has passed after the day of the notice of termination:
(i)
(ii)
(iii)
(2) With respect to leases of land with harvest seasons, the notice of termination must be given after the end of that season and before the next start of cultivation.
Article 591
(1) If the parties do not define the time for return of borrowed things, the lender may demand their return, specifying a reasonable period of time.
(2) The borrower may return the borrowed thing at any time, irrespective of whether the parties have defined the time of return of the thing.
(3) If the parties defined the time of return of the borrowed thing, and the lender sustains any damage because the borrower returns the thing prior to the time of return, the lender may claim compensation therefor from the borrower..


Article 425 A final and binding judgment upholding demand for rescission of fraudulent act is effective against the obligor and all obligees.


Article 113
(1) A contract concluded by a person who acts as the agent of another person but has no authority to represent does not bind the principal unless the principal ratifies it.
(2) The ratification or refusal to ratify may not be duly asserted against the counterparty unless it is made to that counterparty;provided, however, that this does not apply if the counterparty has come to know the ratification or refusal to ratify.
Article 115
A counterparty may rescind a contract that a person without the authority to represent has concluded until the principal ratifies it;provided, however, that this does not apply if the counterparty knew at the time of the conclusion of the contract that the agent had no authority to represent..


Article 459
(1) If a guarantor gives guarantee as requested by the principal obligor, and performs the obligation on behalf of the principal obligor or performs any other act that causes the obligation to be extinguished in exchange for the guarantor's own property (hereinafter referred to as an "act for extinguishment of obligation"), the guarantor has a right to reimbursement from the principal obligor for the amount of property expended for that act (if the amount of property exceeds the amount of the principal obligation extinguished by the act for extinguishment of obligation, the amount thus extinguished).
(2) The provisions of Article 442, paragraph (2) apply mutatis mutandis to the cases set forth in the preceding paragraph..


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 549
Gifts become effective by the manifestation of intention by one of the parties to give a certain property to the other party gratuitously, and the acceptance of the other party thereof..


Article 116
Ratification is retroactive to the time of the conclusion of the contract unless a particular intention is manifested;provided, however, that this may not prejudice the rights of 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 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 546
The provisions of Article 533
apply mutatis mutandis to the preceding Article.
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 552
A gift that is to be delivered periodically ceases to be effective on the death of the donor or the donee..


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 492
Upon tendering the performance, the obligor is relieved from any and all responsibilities which may arise from the non-performance of the obligation..


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 350
The provisions of Articles 296 through 300 and those of Article 304
apply mutatis mutandis to pledges.
Article 297
(1) A holder of a right of retention may collect fruits derived from the thing retained, and appropriate the same to the satisfaction of that holder's own claim before other obligees.
(2) The fruits referred to in the preceding paragraph must be appropriated first to the payment of interest on the claim, and any remainder must be appropriated to the satisfaction of the principal..


Article 568
(1) The successful bidder at an auction based on the provisions of the Civil Execution Act and other laws (hereinafter referred to as an "auction" in this Article) may cancel the contract or demand a reduction of the price against the obligor pursuant to the provisions of Articles 541 and 542 and the provisions of Article 563
(including as applied mutatis mutandis pursuant to Article 565).
(2) In the cases referred to in the preceding paragraph, if the obligor is insolvent, the successful bidder may demand total or partial reimbursement of the proceeds against the obligees that received the distribution of the proceeds.
(3) In the cases set forth in the preceding two paragraphs, if obligors knew of the absence of the object or right and did not disclose the same, or if obligees knew of the absence but demanded an auction, the successful bidder may claim compensation for loss or damage against those persons.
(4) The provisions of the preceding three paragraphs do not apply to the non-conformity with respect to the kind or quality of the subject matter of an auction..


Article 293
If a servitude holder does not exercise a portion of that holder's rights, only that portion is extinguished by prescription..


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 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 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 651
(1) A mandate may be cancelled by either party at any time.
(2) In the following cases, a party that has cancelled a mandate pursuant to the provisions of the preceding paragraph must compensate for damage suffered by the other party;provided, however, that this does not apply if there was a compelling reason for the cancellation:
(i) if the party cancels the mandate at a time that is detrimental to the other party; or
(ii) if the mandator cancels the mandate for which the purpose includes the interests for the mandatary (excluding the profit to be obtained exclusively by receiving remuneration)..


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.
