Instruct: Given a statement, retrieve legal articles that support it.
Query: 
While it is uncertain whether or not a condition has been fulfilled, the rights and obligations of the party concerned may be disposed of, inherited or preserved, or any security may be provided therefor, in accordance with the usual provisions of the law.


Article 129
While it is uncertain whether or not a condition will be fulfilled, the rights and obligations of the party concerned may be disposed of, inherited or preserved, or a security may be provided therefor, in accordance with the general provisions..


Article 520
If a claim and obligation becomes vested in the same person, such claim is extinguished;provided, however, that this does not apply if such a claim is the subject matter of the right of a third party..


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 561
If the subject matter of a sale is another person's right (including a part of a right that belongs to another person), the seller bears an obligation to acquire the right and transfer it to the buyer..


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 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 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 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 499
A person that has performed the obligation for the benefit of the obligor is subrogated to the claim of the obligee.
Article 500
The provisions of Article 467
apply mutatis mutandis in the case referred to in the preceding Article (unless a person with a legitimate interest in making performance is subrogated to the claim of the obligee)..


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 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 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.
(2) An action for recovery of possession may not be filed against a specific successor of a person that forcibly takes possession;provided, however, that this does not apply if that successor had knowledge of the fact that the person has unlawfully taken the possession..


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 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.


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 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 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 520
If a claim and obligation becomes vested in the same person, such claim is extinguished;provided, however, that this does not apply if such a claim is the subject matter of the right of a third party..


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 350
The provisions of Articles 296 through 300 and those of Article 304
apply mutatis mutandis to pledges.
Article 299
(1) If the holder of a right of retention incurs necessary expenses with respect to the thing retained, that holder may have the owner reimburse the same.
(2) If the holder of a right of retention incurs beneficial expenses with respect to the thing retained, to the extent that there is currently an increase in value as a result of the same, that holder may have the expenses incurred or the increase in value reimbursed at the owner's choice;provided, however, that the court may, at the request of the owner, grant a reasonable period of time for the reimbursement of the same..


Article 308
Statutory liens for employer-employee relationships exist with respect to salaries and other claims that arise from the employer-employee relationship between the obligor and the employee.
Article 306
A person that has a claim arising from the causes set forth below has a statutory lien over the entire assets of the obligor:
(i) expenses for the common benefit;
(ii) an employer-employee relationship;
(iii) funeral expenses; or
(iv) the supply of daily necessaries.
Article 311
A person that has a claim arising from the causes set forth below has a statutory lien against specific movables of the obligor:
(i) a lease of immovables;
(ii) a lodging at a hotel;
(iii) the transportation of passengers or luggage;
(iv) the preservation of movables;
(v) the sale of movables;
(vi) the supply of seeds and seedlings or fertilizer (including eggs of silkworms or mulberry leaves provided to feed silkworms; the same applies hereinafter);
(vii) agricultural labor; or
(viii) industrial labor.
Article 329
(1) If there are competing general statutory liens, the order of priority follows the order set forth in each item of Article 306.
(2) Ife there are competing a general statutory lien and a special statutory lien, the special statutory lien has priority over the general statutory lien;provided, however, that statutory liens on expenses for the common benefit have priority being effective against all obligees who benefit from the same..


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 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 423
(1) An obligee may exercise the right of the obligor (hereinafter referred to as the "subrogor's right") when it is necessary to do so in order to preserve the obligee's own claim; provided, however, that this does not apply to rights which belong exclusively to and are personal to the obligor or rights which are immune from attachment.
(2) The obligee may not exercise the subrogor's right unless and until the obligee's claim becomes due;provided, however, that this does not apply to an act of preservation.
(3) The obligee may not exercise the subrogor's right if the obligee's claim is not enforceable by compulsory execution..


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..


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 499 A person that has performed the obligation for the benefit of the obligor is subrogated to the claim of the obligee.
Article 500 The provisions of Article 467 apply mutatis mutandis in the case referred to in the preceding Article (unless a person with a legitimate interest in making performance is subrogated to the claim of the obligee).
