Instruct: Given a legal statement, retrieve articles that support it
Query: 
In cases where person C was unaware that the ownership of real property L belonged to person A at the time of the execution of the sales contract between person B and person C, since person C is mistaken regarding an essential element of the sales contract, and the contract is not effective, person B bears no obligation to acquire ownership from person A and transfer it to person C.


Article 95
(1) A manifestation of intention is voidable if it is based on either of the following mistakes, and the mistake is material in light of the purpose of the juridical act and the common sense in the transaction:
(i) a mistake wherein the person lacks the intention that corresponds to the manifestation of intention; or
(ii) a mistake wherein the person making the manifestation of intention holds an understandings that does not correspond to the truth with regard to the circumstances which the person has taken as the basis for the juridical act.
(2) A manifestation of intention under the provisions of item (ii) of the preceding paragraph may be rescinded only if it has been indicated that the circumstances in question are being taken as the basis for the juridical act.
(3) If a mistake is due to gross negligence on the part of the person making the manifestation of intention, that person may not rescind a manifestation of intention as under paragraph (1), except in the following cases:
(i) if the other party knew, or did not know due to gross negligence, of the mistake on the part of the person making the manifestation of intention; or
(ii) if the other party was under the same mistake as the person making the manifestation of intention.
(4) The rescission of a manifestation of intention under the provisions of paragraph (1) may not be duly asserted against a third party in good faith acting without negligence..


Article 184
If a thing is possessed through an agent, the principal orders that agent to thenceforward possess that thing on behalf of a third party, and that third party consents thereto, the third party acquires the possessory rights.
Article 344
The creation of a pledge becomes effective through delivery of the subject matter of the pledge to the obligee..


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 192 A person that commences the possession of movables peacefully and openly by a transactional act acquires the rights that are exercised with respect to the movables immediately if the person possesses it in good faith and without negligence.
Article 193 In the cases provided for in the preceding Article, if the possessed thing constitutes stolen or lost property, the victim or the person that lost the thing may demand the return of that thing from the possessor within two years from the time of the loss or theft.


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 192
A person that commences the possession of movables peacefully and openly by a transactional act acquires the rights that are exercised with respect to the movables immediately if the person possesses it in good faith and without negligence..


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 577
(1) If a mortgage that does not conform to the terms of the contract is registered on immovables that have been purchased, the buyer may refuse to pay the price until the completion of the procedures of the claim for extinguishment of the mortgage. In such cases, the seller may demand that the buyer file the claim for extinguishment of the mortgage without delay.
(2) The provisions of the preceding paragraph apply mutatis mutandis if a statutory lien or pledge that does not conform to the terms of the contract is registered on the immovables that have been bought..


Article 101
(1) If the validity of a manifestation of intention that an agent has made to the other party is to be influenced by the absence of intention; by mistake, fraud, or duress; or by the knowledge of or negligence in not knowing of a particular circumstance; whether or not any such fact was present is decided as it concerns the agent.
(2) If the validity of a manifestation of intention that the other party has made to the agent is to be influenced by the recipient's knowledge of or negligence in not knowing of a particular circumstance, whether or not any such fact was present is decided as it concerns the agent.
(3) If an agent who has been entrusted with performing a specific juridical act performs that act, the principal may not assert that the agent did not know of any particular circumstance of which the principal knew. The same applies to any circumstance of which the principal did not know due to the principal's own negligence..


Article 565
The provisions of the preceding three Articles apply mutatis mutandis if the right transferred by the seller to the buyer does not conform to the terms of the contract (including the case in which the seller fails to transfer part of a right that belongs to another person).
Article 563
(1) In the case prescribed in the main clause of paragraph (1) of the preceding Article, if the buyer demands that the seller cure the non-conformity of performance by specifying a reasonable period of time but the non-conformity of performance is not cured within that period, the buyer may request a reduction of the price in proportion to the degree of non-conformity.
(2) Notwithstanding the provisions of the preceding paragraph, in the following cases, a buyer in good faith may request a reduction of the price immediately without making demand referred to in that paragraph:
(i) if it is impossible to cure the non-conformity of performance;
(ii) if the seller unequivocally manifests the intention to refuse to cure the non-conformity of performance;
(iii) if, due to the nature of the contract or a manifestation of intention by the parties, the purpose of the contract is unable to be achieved unless the performance is carried out at a specific time on a specific date or within a certain period of time, and the seller fails to cure the non-conformity of the performance at the time or before the period expires; or
(iv) beyond the cases set forth in the preceding items, it is obvious that the seller is unlikely to cure the non-conformity of the performance even if the buyer makes the demand referred to in the preceding paragraph.
(3) If the non-conformity referred to in paragraph (1) is due to grounds attributable to the buyer, the buyer may not request a reduction of the price under the provisions of the preceding two paragraphs..


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 243
If two or more movable properties with different owners can no longer be separated without damage due to accession, the ownership of the composite thing belongs to the owner of the principal movable property. The same applies if excessive expense is required to separate the movables..


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 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 298
(1) The holder of a right of retention must possess the thing retained with the due care of a prudent manager.
(2) The holder of the right of retention may not use, lease or provide as a security the thing retained unless that holder obtains the consent of the obligor;provided, however, that this does not apply to uses necessary for the preservation of that thing.
(3) If the holder of a right of retention violates the provisions of the preceding two paragraphs, the obligor may demand that the right of retention be terminated..


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 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 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 412-2 (1) If the performance of an obligation is impossible in light of the contract or other sources of claims and the common sense in the transaction, the obligee may not request the performance of the obligation.
(2) The impossibility of the performance of an obligation based on a contract as of the time of the formation of the contract does not preclude claiming compensation for loss or damage that arises from the impossibility of the obligation pursuant to the provisions of Article 415.


Article 179
(1) If ownership and another real right on the same thing are acquired by the same person, the other real right is extinguished;provided, however, that this does not apply if that thing or the other real right is the object of the right of a third party.
(2) If a real right other than ownership and another right for which that real right is the object are acquired by the same person, the other right is extinguished.In this case, the provisions of the proviso to the preceding paragraph apply mutatis mutandis.
(3) The provisions of the preceding two paragraphs do not apply to possessory rights..


Article 192
A person that commences the possession of movables peacefully and openly by a transactional act acquires the rights that are exercised with respect to the movables immediately if the person possesses it in good faith and without negligence..


Article 321
Statutory liens for the sale of movables exist against movables, in connection with the price of those movables and interest on the same.
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 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 177
Acquisitions of, losses of and changes in real rights on immovables may not be duly asserted against any third parties, unless the same are registered pursuant to the applicable provisions of the Real Property Registration Act (Act No. 123 of 2004) and other laws regarding registration..


Article 302
A right of retention is extinguished if the holder of the right of retention loses possession of the thing retained;provided, however, that this does not apply if the thing retained is leased or it is made the subject of a pledge pursuant to the provisions of Article 298, paragraph (2)..


Article 182
(1) The transfer of possessory rights is effected by the delivery of the thing possessed.
(2) If a transferee or the agent of a transferee is actually holding the thing under possession, the transfer of possessory rights may be effected by the parties' manifestations of intention alone..
