Instruct: Given a statement, retrieve legal articles that support it
Query: 
The person under curatorship A sold A's land "X" to B without the consent of the curator or any permission of the family court in lieu thereof.
In the case where B, after A has become a person with capacity, issues to A a notice which demands, by establishing a certain period which is one month, that he/she should give a definite answer on whether or not such person will ratify that contract for sale, if A fails to send any definite answer within such period, it is deemed that he/she has ratified such contract for sale.


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indicating that the person has completed any special formalities that an act requires, the person is deemed to have rescinded that act.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 15 (1) The family court may decide to commence an assistance in respect of a person whose capacity to appreciate their own situation is inadequate due to a mental disorder, at the request of the person in question, that person's spouse, that person's relative within the fourth degree of kinship, the guardian, the guardian's supervisor, the curator, the curator's supervisor, or a public prosecutor; provided, however, that this does not apply to a person with respect to whom there are grounds as prescribed in Article 7 or the main clause of Article 11.
Article 11 The family court may decide to commence a curatorship in respect of a person whose capacity to appreciate their own situation is extremely inadequate due to a mental disorder, at the request of the person in question, the person's spouse, the person's relative within the fourth degree of kinship, the guardian, the guardian's supervisor, the assistant, the assistant's supervisor, or a public prosecutor; provided, however, that this does not apply to a person in respect of whom a cause set forth in Article 7 exists.


Article 98-2
Any person may not assert a manifestation of intention against the other party thereto if that other party had no mental capacity or was a minor or an adult ward at the time of receiving it;provided, however, that this does not apply after either of the following persons learns of the manifestation of intention:
(i) the legal representative of the other party; or
(ii) the other party, after that other party's mental capacity has been restored or after that other party has become a person with capacity to act..


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 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 717
(1) If a defect in the installation or preservation of a structure on land causes damage to another person, the possessor of that structure is liable to the person incurring damage to compensate for the damage;provided, however, that if the possessor has exercised the necessary care to prevent the damage, the owner must compensate for the damage.
(2) The provisions of the preceding paragraph apply mutatis mutandis if there is a defect in the planting or supporting of bamboo or trees.
(3) In the cases referred to in the preceding two paragraphs, if there is another person that is liable for the cause of the damage, the possessor or owner may exercise their right to reimbursement against that person.
Article 181
Possessory rights may be acquired through an agent..


Article 572
Even if the seller makes a special agreement to the effect that the seller does not warrant in the case prescribed in the main clause of Article 562, paragraph (1) or Article 565, the seller may not be released from that responsibility with respect to any fact that the seller knew but did not disclose, and with respect to any right that the seller personally created for or assigned to a third party..


Article 598
(1) In the case prescribed in paragraph (2) of the preceding Article, upon the passage of a period that is sufficient for the borrower to use and make profit from the borrowed thing in line with the purpose referred to in that paragraph, the lender may cancel the contract.
(2) If the parties do not specify a period of a loan for use or a purpose of using and making profit from the borrowed thing, the lender may cancel the contract at any time.
(3) The borrower may cancel the contract at any time..


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 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 412
(1) If a fixed due date is assigned to the performance of an obligation, the obligor is liable for delay from the time that due date arrives.
(2) If an uncertain due date is assigned to the performance of an obligation, the obligor is liable for delay from the time when the obligor receives the request for performance after the due date arrives or the time when the obligor becomes aware of the arrival of that due date, whichever comes earlier.
(3) If no time limit is assigned to the performance of an obligation, the obligor is liable for delay from the time the obligor receives the request for performance..


Article 463
(1) If a guarantor gives guarantee as requested by the principal obligor and performs an act for extinguishment of obligation without giving prior notice to the principal obligor, the principal obligor may assert against the guarantor any defense that could have been asserted against the obligee. In such a case, if the principal obligor asserts a set-off against the guarantor, the guarantor may request the obligee to perform the obligation which should have been extinguished due to the set-off.
(2) If a guarantor gives guarantee as requested by the principal obligor and performs an act for extinguishment of obligation in good faith because of the principal obligor's failure to notify the guarantor of the principal obligor's performance of an act for extinguishment of obligation, the guarantor may deem that the guarantor's own act for extinguishment of obligation is valid.
(3) If the principal obligor performs an act for extinguishment of obligation after the guarantor has performed an act for extinguishment of obligation, the principal obligor may deem that the guarantor's own act for extinguishment of obligation is valid, not only if the guarantor has given guarantee against the will of the principal obligor but also if the principal obligor has performed an act for extinguishment of obligation in good faith because of the guarantor's failure to notify the principal obligor of the guarantor's performance of act for extinguishment of obligation..


Article 213
(1) If the partition of land creates a parcel of land that has no access to public roads, the owner of that parcel of land may pass to the public roads only through the lands owned by another person that participated in the partition.In this case, it is necessary to pay compensation.
(2) The provisions of the preceding paragraph apply mutatis mutandis if the owner of land transfers part of the land to another person..


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 369
(1) A mortgagee has the right to have the mortgagee's claim satisfied prior to other obligees out of the immovables that the obligor or a third party provided to secure the obligation without transferring possession.
(2) Superficies and farming rights may be the subject matter of a mortgage.In this case, the provisions of this Chapter apply mutatis mutandis..


Article 605-2 (1) If a lease is perfected in accordance with the laws and regulations including the preceding Article, and Articles 10 and 31 of the Act on Land and Building Leases (Act No. 90 of 1991), and the relevant immovables are assigned, the status of the lessor of the immovables is transferred to its assignee.
(2) Notwithstanding the provisions of the preceding paragraph, if the assignor and the assignee of immovables agree that the assignor reserves the status of lessor and that the assignee leases the immovables to the assignor, the status of lessor is not transferred to the assignee. In such a case, if a lease between the assignor and the assignee or any successor thereof is terminated, the status of lessor that the assignor has reserved is transferred to the assignee or any successor thereof.
(3) The status of lessor under the provisions of paragraph (1) or the second sentence of the preceding paragraph may not be duly asserted against the lessee unless the transfer of ownership for the immovables under lease is registered.
(4) If the status of lessor is transferred to the assignee or any successor thereof pursuant to the provisions of paragraph (1) or the second sentence of paragraph (2), the assignee or any successor thereof succeeds to the obligation to reimburse expenses under the provisions of Article 608 and the obligation to refund the security deposit prescribed in Article 622-2, paragraph (1) under the provisions of that paragraph.


Article 388
If the land and a building on that land belong to the same owner, a mortgage is created with respect to that land or building, and the enforcement of that mortgage causes them to belong to different owners, it is deemed that a superficies has been created with respect to that building.In this case, the rent is fixed by the court at the request of the parties..


Article 389
(1) If a building is constructed on a mortgaged land after the creation of a mortgage, the mortgagee may auction the building together with the land;provided, however, that the right of priority of that mortgagee may be exercised solely against the proceeds of the land.
(2) The provisions of the preceding paragraph do not apply if the owner of that building has rights with respect to the possession of the mortgaged land that may be duly asserted against the mortgagee..


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 19
(1) If the family court decides to commence a guardianship and the person in question is a person under curatorship or a person under assistance, it must rescind the decision for commencement of the curatorship or commencement of assistance respecting that person.
(2) The provisions of the preceding paragraph apply mutatis mutandis if the court decides to commence a curatorship and the person in question is an adult ward or a person under assistance or if the court decides to commence an assistance and the person in question is an adult ward or a person under curatorship..


Article 152
(1) If a right is acknowledged, a new period of prescription commences to run at the time of the acknowledgment.
(2) With respect to the disposition of the right of the other party, an acknowledgment referred to in the preceding paragraph does not require unlimited capacity to act or authority.
Article 467
(1) The assignment of a claim (including the assignment of a claim that is yet to arise) may not be duly asserted against the applicable obligor or any other third party, unless the assignor gives notice thereof to the obligor or the obligor has consented to the same.
(2) Notice or consent as referred to in the preceding paragraph may not be duly asserted against a third party other than the obligor unless the notice or the consent is made using an instrument bearing a certified date..


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.
(4) An act for which the person under assistance must obtain the assistant's consent is voidable if the person performs it without obtaining the assistance's consent or a permission that operates in lieu of it..


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 213
(1) If the partition of land creates a parcel of land that has no access to public roads, the owner of that parcel of land may pass to the public roads only through the lands owned by another person that participated in the partition.In this case, it is necessary to pay compensation.
(2) The provisions of the preceding paragraph apply mutatis mutandis if the owner of land transfers part of the land to another person..


Article 5
(1) A minor must obtain the consent of the minor's legal representative to perform a juridical act;provided, however, that this does not apply to a juridical act for merely acquiring a right or being released from an obligation.
(2) A juridical act in contravention of the provisions of the preceding paragraph is voidable.
(3) Notwithstanding the provisions of paragraph (1), a minor may freely dispose of property that the legal representative has permitted the minor to dispose of for a specified purpose, to an extent that falls within the scope of that purpose. The same applies if the minor disposes of property that the legal representative has permitted the minor to dispose of without specifying a purpose..


Article 162
(1) A person that possesses the property of another for 20 years peacefully and openly with the intention to own it acquires ownership thereof.
(2) A person that possesses the property of another for 10 years peacefully and openly with an intention to own it acquires ownership thereof if the person was acting in good faith and was not negligent at the time when the possession started..
