Instruct: Given a legal statement, retrieve articles that support it
Query: 
With respect to an act which may be rescinded on the grounds of the limited capacity, the person who is the counterparty to a person with limited capacity may, after such person with limited capacity has become a person with capacity, issue to such person a notice which demands, by establishing a certain period which is one month or more, that he/she should give a definite answer on whether or not such person will ratify such act which may be rescinded within such period.
In such case, if such person fails to send any definite answer within such period, he/she is deemed to have ratified such act.


Article 20
(1) After a person with qualified legal capacity who is involved in dealings with another party becomes a person with the legal capacity to act (meaning a person whose legal capacity to act is not subject to restrictions; the same applies hereinafter), the other party to those dealings may fix a period of one month or longer and demand that the person give a definite answer within that period of time as to whether the person will ratify an act that the person may rescind. In such a case, if the person fails to send a definite answer within that period of time, the person is deemed to have ratified that act.
(2) The second sentence of the preceding paragraph also applies if, before the person with qualified legal capacity becomes a person with the legal capacity to act, the other party to dealings involving the person with qualified legal capacity lodges the demand prescribed in the preceding paragraph with the legal representative, curator, or assistant of that person with respect to an act within the scope of their authority, and they fail to send a definite answer within the fixed period of time referred to in that paragraph.
(3) If a person does not send notice within the period of time set forth in the preceding two paragraphs indicating that the person has completed any special formalities that an act requires, the person is deemed to have rescinded that act.
(4) The other party to dealings involving a person with qualified legal capacity may lodge a demand with a person under curatorship or with a person under assistance who is subject to a decision as referred to in Article 17, paragraph (1) to demand that the person get the curator or assistant to ratify an act within the fixed period referred to in paragraph (1). In such a case, if the person under curatorship or person under assistance does not send notice within that period indicating that the person has gotten the curator or assistant to ratify the act in question, the person is deemed to have rescinded that act..


Article 9
A juridical act performed by an adult ward is voidable;provided, however, that this does not apply to the purchase of daily necessities or to any other act involved in day-to-day life.
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 123
If the counterparty to a voidable act is identified, the voidance or ratification of that act is made by the manifestation of intention to the counterparty..


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 114
In the case referred to in the preceding Article, the counterparty may demand, by specifying a reasonable period of time, that the principal give a definite answer on whether or not the principal will ratify within that period of time.In this case, if the principal fails to give a definite answer within that period, the principal is deemed to have refused to ratify..


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 641
The party ordering work may cancel the contract at any time whilst the contractor has not completed the work by paying compensation for loss or damage..


Article 97
(1) A manifestation of intention becomes effective at the time notice thereof reaches the other party.
(2) If the other party prevents notice of a manifestation of intention from reaching them without a legitimate reason, the notice is deemed to have reached that party at the time it would have normally reached them.
(3) The effect of a manifestation of intention is not impaired even if the person making it dies, loses mental capacity, or becomes subject to restrictions on their legal capacity to act after having sent the notice..


Article 634
In the following cases, if the party ordering work receives any benefit from the performance of any divisible portion of the outcome of the work that the contractor has already completed, that portion is deemed to be the completed work; in this case, the contractor may demand remuneration in proportion to the benefit to be received by the party ordering work:
(i) if the contractor is no longer able to complete the work due to any grounds not attributable to the party ordering work; or
(ii) if the contract for work is cancelled before the completion of work.
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 519
If an obligee manifests the intention to release an obligor from an obligation to that obligor, the obligee's claim is extinguished.
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 556
(1) An option contract for a purchase and sale made by one party becomes effective when the other party manifests the intention to complete the purchase and sale.
(2) If no period is provided in relation to the manifestation of intention referred to in the preceding paragraph, the party to the option contact may issue a notice of demand to the other party, specifying a reasonable period of time, to the effect that the other party is to give a definite answer as to whether or not that party will complete the sale within that period. In such cases, if the other party fails to give a definite answer within that period, the option contract for a purchase and sale by one party ceases to be 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 200 (1) If a possessor is forcibly dispossessed, the possessor may demand the restitution of the thing and compensation for loss or damage by filing an action for recovery of possession.


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


Article 425-4 If an act done by the obligor is rescinded by the demand for rescission of fraudulent act made against the subsequent acquirer, the subsequent acquirer may exercise the right specified in each of the following items according to the categories set forth in the respective items; provided, however, that this is limited to the value of the counter-performance which was completed by the subsequent acquirer in order to acquire the property from the predecessor or the value of the claim which was extinguished as a result of the acquisition of the property by the subsequent acquirer from the predecessor:
(i) if the act prescribed in Article 425-2 is rescinded: the beneficiary's right to demand return of the counter-performance or right to demand reimbursement of its value from the obligor, which should have arisen pursuant to the provisions of that Article if the act were rescinded by the demand for rescission of fraudulent act against the beneficiary; or
(ii) if the act prescribed in the preceding Article is rescinded (excluding the case of rescission pursuant to the provisions of Article 424-4): the beneficiary's claim against the obligor, which should have been restored pursuant to the provisions of the preceding Article if the act were rescinded by demand for rescission of fraudulent act against the beneficiary.
Article 425-2 If an act concerning the disposition of property conducted by the obligor (excluding an act concerning the extinguishment of an obligation) is rescinded, the beneficiary may demand that the obligor return the counter-performance that the beneficiary completed in order to acquire the property. If it is difficult for the obligor to return the counter-performance, the beneficiary may demand the reimbursement of its value.


Article 103
An agent who has no specifically defined authority has the authority to perform the following acts only:
(i) acts of preservation; and
(ii) acts with the purpose of using or improving a thing or right that is the subject matter of the agency, to the extent that this does not change the nature of that thing or right..


Article 126 The right to rescind an act is extinguished by the operation of the prescription if it is not exercised within five years from the time when it becomes possible to ratify the act. The same applies if 20 years have passed from the time of the act.


Article 28
If an administrator needs to perform an act exceeding the authority provided for in Article 103, the administrator may perform that act after obtaining the permission of the family court. The same applies if it is unclear whether the absentee is dead or alive and the administrator needs to perform an act exceeding the authority established by the absentee.
Article 103
An agent who has no specifically defined authority has the authority to perform the following acts only:
(i) acts of preservation; and
(ii) acts with the purpose of using or improving a thing or right that is the subject matter of the agency, to the extent that this does not change the nature of that thing or right..


Article 714
(1) When a person without capacity to be assume responsibility is not liable pursuant to the provisions of the preceding two Articles, the person with the statutory obligation to supervise the person without capacity to assume responsibility is liable to compensate for damage that the person without capacity to be assume responsibility has inflicted on a third party;provided, however, that this does not apply if the person who has the obligation to supervise has not failed to perform that person's obligation or if the damage could not have been avoided even if that person had not failed to perform that person's obligation.
(2) A person who supervises a person without capacity to be assume responsibility on behalf of the person who has the obligation to supervise also has the liability referred to in the preceding paragraph..


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 120 (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 166
(1) A claim is extinguished by prescription in the following cases:
(i) if the obligee does not exercise the right within five years from the time when the obligee came to know that it was exercisable; or
(ii) if the obligee does not exercise the right within 10 years from the time when it became exercisable.
(2) A claim or property right other than ownership is extinguished by prescription if not exercised within 20 years from the time when the right became exercisable.
(3) The provisions of the preceding two paragraphs do not preclude the commencement of acquisitive prescription for the benefit of a third party that possesses the subject matter of a right with a time of commencement or a right subject to a condition precedent, at the time of commencing the possession;provided, however, that the holder of the right may demand acknowledgment from the possessor at any time to renew the prescription period.
Article 291
The period of the extinctive prescription provided for in Article 166, paragraph (2) commences upon the final exercise of the servitude if the servitude is not exercised continuously, and upon the occurrence of a fact that prevents the exercise of the servitude if the servitude is exercised continuously..


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 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 17 (1) At the request of the person referred to in the main clause of Article 15, paragraph (1) or the assistant or assistant's supervisor, the family court may decide that the person under assistance must obtain the consent of the person's assistant in order to perform a specific juridical act; provided, however, that the acts that such a decision may establish as those for which the person must obtain the consent of the assistant are restricted to a part of the acts provided for in Article 13, paragraph (1).
(2) In order to decide as referred to in the preceding paragraph at the request of a person other than the person in question requires the consent of the person in question.
(3) If the assistant does not consent to an act for which the person under assistance must obtain the assistant's consent even though it is unlikely to prejudice the interests of the person under assistance, the family court may grant permission that operates in lieu of the assistant's consent, at the request of the person under assistance.