Instruct: Given a statement, retrieve articles that support it
Query: 
Even in cases where the principal ratifies an act of unauthorized agency toward an unauthorized agent, if the counterparty does not know of this fact, he or she can exercise the right to rescind.


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Article 120 (2) An act that is voidable on the grounds of a mistake, fraud or duress may be rescinded only by the person who made the defective manifestation of intention, or an agent or successor thereof.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 117
(1) A person who concludes a contract as an agent of another person is liable to the counterparty for the performance of the contract or compensation for loss or damage, as chosen by the counterparty, unless the person proves the authority to represent or the principal ratifies the contract.
(2) The provisions of the preceding paragraph do not apply in the following cases:
(i) if the counterparty knew that the person who concluded the contract as an agent of the other person had no authority to represent;
(ii) if the counterparty was negligent in not knowing that the person who concluded the contract as an agent of the other person had no authority to represent;provided, however, that this does not apply if the person who concluded a contract as an agent of the other person knew themselves to have no authority to represent; or
(iii) if the legal capacity to act of the person who concluded the contract as an agent of the other person was subject to restrictions..


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 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 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 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 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 457
(1) The postponement of expiry of prescription period and the renewal of prescription period due to grounds such as a request for performance in relation to the principal obligor are also effective in relation to the guarantor.
(2) A guarantor may assert against the obligee a defense that can be raised by the principal obligor.
(3) If the principal obligor has a right to set-off, right to rescind or right to cancel against the obligee, the guarantor may refuse to perform the obligation to the obligee to the extent that the principal obligor should have been released from the obligation by exercising these rights..


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 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 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 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 547
If no period of time is specified for the exercise of the right to cancel, the other party may issue a notice of demand to the holder of the right to cancel, specifying a reasonable period of time, to the effect that the holder of the right to cancel is to give a definite answer as to whether the holder will cancel or not within that period of time.In this case, if no notice of cancellation is received within that period, the right to cancel is extinguished..


Article 106
(1) A subagent represents the principal with respect to acts within the scope of the authority thereof.
(2) A subagent has the same rights and obligations as an agent in relation to the principal and third parties within the scope of that subagent's authority.
Article 646
(1) A mandatary must deliver to the mandator monies and other things received during the course of administering the mandated business. The same applies to fruits the mandatary has reaped.
(2) A mandatary must transfer to the mandator rights that the mandatary has acquired in the mandatary's own name on behalf of the mandator..


Article 698
If a manager engages in benevolent intervention in another's business in order to allow a principal to escape imminent danger to the principal's person, reputation, or property, the manager is not liable to compensate for damage resulting from this unless the manager has acted in bad faith or with gross negligence..


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 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 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 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 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 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 702
(1) If a manager has incurred beneficial expenses for a principal, the manager may claim reimbursement of those costs from the principal.
(2) The provisions of Article 650, paragraph (2) apply mutatis mutandis if a manager has incurred beneficial obligations on behalf of the principal.
(3) If a manager has engaged in the benevolent intervention in another's business against the will of the principal, the provisions of the preceding two paragraphs apply mutatis mutandis, solely to the extent currently enriched..


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 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.
