Instruct: Given a legal statement, retrieve articles that support the statement.
Query: 
Even if contrary to the intentions of the principal, management of business may be established, and in that case, the manager may request reimbursement for expenses incurred for the principal  solely to the extent such principal actually enriched.


Article 700
A manager must continue the benevolent intervention in another's business until the principal or an heir or legal representative thereof is able to undertake it;provided, however, that this does not apply if it is evident that the continuation of the benevolent intervention in another's business is contrary to the will of the principal, or is disadvantageous to the principal.
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 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 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 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 650
(1) If the mandatary has expended costs found to be necessary for the administration of the mandated business, the mandatary may claim reimbursement of those costs from the mandator and any interest on the same from the day the costs were expended.
(2) If the mandatary has borne any obligation found to be necessary for the administration of the mandated business, the mandatary may demand that the mandator perform the obligation on the mandatary's behalf. In such cases, if the obligation has not yet fallen due, the mandatary may require the mandator to tender reasonable security.
(3) If a mandatary incurs loss or damage that is not due to the negligence of the mandatary in order to administer the mandated business, the mandatary may claim compensation for this from the mandator..


Article 398-21
(1) After the principal is crystallized, the mortgagor of the revolving mortgage may request a reduction in the maximum amount of that revolving mortgage, to the amount of the obligations actually in existence plus the amount of the periodic payments including interest and the amount of compensation for loss or damage due to default in obligations that will arise in the following two years.
(2) As to the reduction in the maximum amount of a revolving mortgage registered pursuant to Article 398-16, it suffices to make the request referred to in the preceding paragraph with respect to one of those immovable properties..


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 707
(1) If a person that is not an obligor has performed an obligation by mistake and the obligee, acting in good faith, has allowed the instrument to be lost, has damaged the instrument, has waived the security, or has lost the claim by prescription, the person performing the obligation may not demand the return of subject matter of the performance.
(2) The provisions of the preceding paragraph do not preclude the person performing an obligation from exercising the right to reimbursement against the obligor..


Article 398-3
(1) A revolving mortgagee may exercise the relevant revolving mortgage up to the maximum amount with respect to all of crystallized principal as well as periodic payments including interest and compensation for loss or damage resulting from failure to perform obligations.
(2) If a claim under a negotiable instrument or check or electronically recorded monetary claim acquired from causes other than the transactions with the obligor is agreed to be treated as a claim to be secured by a revolving mortgage, and any of the following grounds exist, that revolving mortgage may be exercised only with respect to claims acquired before those grounds arose;provided, however, that even with respect to claims acquired after the grounds arose, the exercise of the revolving mortgage is not precluded as far as the claims were acquired without knowledge of those grounds:
(i) the suspension of payments by the obligor;
(ii) a petition to commence bankruptcy proceeding, the commencement of rehabilitation proceeding, the commencement of reorganization proceeding or the commencement for special liquidation with respect to the obligor; or
(iii) a petition for commencement of auction procedure in relation to a mortgaged immovables or attachment for disposition of delinquency..


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 297
(1) A holder of a right of retention may collect fruits derived from the thing retained, and appropriate the same to the satisfaction of that holder's own claim before other obligees.
(2) The fruits referred to in the preceding paragraph must be appropriated first to the payment of interest on the claim, and any remainder must be appropriated to the satisfaction of the principal..


Article 649 If costs will be incurred in administering the mandated business, the mandator must, at the request of the mandatary, pay an advance for those costs.


Article 650
(1) If the mandatary has expended costs found to be necessary for the administration of the mandated business, the mandatary may claim reimbursement of those costs from the mandator and any interest on the same from the day the costs were expended.
(2) If the mandatary has borne any obligation found to be necessary for the administration of the mandated business, the mandatary may demand that the mandator perform the obligation on the mandatary's behalf. In such cases, if the obligation has not yet fallen due, the mandatary may require the mandator to tender reasonable security.
(3) If a mandatary incurs loss or damage that is not due to the negligence of the mandatary in order to administer the mandated business, the mandatary may claim compensation for this from the mandator..


Article 489
(1) If the obligor is liable to pay interest and expenses in addition to principal with respect to one or more obligations (if the obligor bears two or more obligations, limited to when the obligor bears these obligations requiring the same kind of payment or delivery to the same obligee), and the person that performs the obligations makes payment or delivery which is not sufficient to extinguish the obligation in its entirety must be appropriated first to expenses, and then to interest and principal, in this order.
(2) The provisions of the preceding Article apply mutatis mutandis in the case referred to in the preceding paragraph in which the person makes payment or delivery which is not sufficient to extinguish any of expenses, interest or principal in whole..


Article 465-4
(1) The principal of the principal obligation under a contract for revolving guarantee by an individual is crystallized in the following cases;provided, however, that in the case set forth in item (i), it is crystallized only if the procedure for compulsory execution or enforcement procedure of a security right is commenced:
(i) if an obligee files a petition for compulsory execution or enforcement of any security right for a claim for payment of money with regard to any property of the guarantor;
(ii) if the guarantor receives an order commencing bankruptcy proceeding; or
(iii) the relevant principal obligor or guarantor has died.
(2) Beyond the case prescribed in the preceding paragraph, the principal of the principal obligation under a contract for revolving guarantee by an individual for loans is crystallized in the following cases;provided, however, that in the case set forth in item (i), it is crystallized only if the procedure for compulsory execution or enforcement procedure of a security right is commenced:
(i) if the obligee files a petition for compulsory execution or enforcement of a security right for a claim for payment of money with regard to property of the principal obligor; or
(ii) if the principal obligor receives an order commencing bankruptcy proceeding..


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 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 417
Unless a particular intention is manifested, the amount of the compensation for loss or damage is determined with reference to monetary value..


Article 108
(1) An act that a person performs as an agent of the counterparty or as agent of both parties for the same juridical act is deemed to be an act performed by a person without authority to represent;provided, however, that this does not apply to the performance of an obligation or to an act authorized by the principal in advance.
(2) Beyond what is provided for in the main clause of the preceding paragraph, an act for which the interest of the agent conflicts with the interest of the principal is deemed to be an act performed by a person without authority to represent;provided, however, that this does not apply to an act authorized by the principal in advance.
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 624
(1) An employee may not demand remuneration until the work the employee promised to perform has been completed.
(2) Remuneration specified with reference to a period may be claimed after the passage of that period..


Article 99
(1) A manifestation of intention that an agent makes indicating that they will be making a manifestation of intention on behalf of the principal within the scope of the agent's authority binds the principal directly.
(2) The provisions of the preceding paragraph apply mutatis mutandis to a manifestation of intention that a third party makes to an agent..


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 248
A person that suffers loss because of the application of the provisions of Article 242
through the preceding Article may demand compensation in accordance with the provisions of Article 703
and Article 704..


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 649
If costs will be incurred in administering the mandated business, the mandator must, at the request of the mandatary, pay an advance for those costs..
