Instruct: Given a legal statement, retrieve articles that support it
Query: 
The mandatary may not request the costs that are incurred in administering the mandated business until after having paid those costs.


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 644
A mandatary bears a duty to administer the mandated business with the due care of a prudent manager in compliance with the main purport of the mandate..


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 697
(1) A person that has begun to manage a business for another person without being obligated to do so (hereinafter in this Chapter referred to as a "manager") must manage that business, in accordance with the nature of the business, in the way that best suits the interests of the principal (hereinafter referred to as "benevolent intervention in another's business").
(2) A manager must engage in benevolent intervention in another's business in accordance with the intentions of the principal if the manager knows, or is able to conjecture that intention.
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 648
(1) In the absence of any special agreements, the mandatary may not claim remuneration from the mandator.
(2) If a mandatary is to receive remuneration, the mandatary may not claim this until after having performed the mandated business;provided, however, that if the remuneration is specified with reference to period, the provisions of Article 624, paragraph (2) apply mutatis mutandis.
(3) In the following cases, the mandatary may demand remuneration in proportion to the performance already completed:
(i) if the mandatary is no longer able to perform the mandated business due to any grounds not attributable to the mandator; or
(ii) if the mandate is terminated during the course of performance..


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 466
(1) A claim may be assigned;provided, however, that this does not apply if its nature does not permit the assignment.
(2) Even if a party to a claim manifests the intention to prohibit or restrict the assignment of the claim (hereinafter referred to as the "manifestation of intention to restrict assignment"), the validity of the assignment of the claim is not impaired.
(3) In the case prescribed in the preceding paragraph, the obligor may refuse to perform the obligation to a third party such as the assignee that knew or did not know due to gross negligence that the manifestation of intention to restrict assignment was made, and may duly assert against such third party any event that results in extinguishment of the obligation such as payment to the assignor.
(4) The provisions of the preceding paragraph do not apply if the obligor does not perform the obligation, and the third party prescribed in that paragraph makes a demand to the obligor for the performance to the assignor by specifying a reasonable period of time, but the obligor does not perform the obligation within that period..


Article 701
The provisions of Article 645
through Article 647
apply mutatis mutandis to the benevolent intervention in another's business.
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 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 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 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 394
(1) A mortgagee may receive payment from assets other than the mortgaged immovables only for the portion of that mortgagee's claim that is not paid from the proceeds of the relevant mortgaged immovables.
(2) The provisions of the preceding paragraph do not apply if the proceeds of other assets are to be distributed prior to the proceeds of the mortgaged immovables. In these cases, each other obligee may demand that the amount to be distributed to the mortgagee be deposited in order to have the mortgagee receive payment under the provisions of that paragraph..


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 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 575
(1) If the subject matter of a sale which has not yet been delivered bears fruits, the fruits vest in the seller.
(2) The buyer bears the obligation to pay interest on the price beginning from the day of delivery;provided, however, that if a due date is provided for the payment of the price, it is not necessary to pay the interest until that due date arrives..


Article 398-7
(1) A person that acquires a claim from a revolving mortgagee before the principal is crystallized may not exercise the revolving mortgage with respect to that claim. The same applies to a person that made payment for or on behalf of an obligor before the principal was crystallized.
(2) If an obligation is assumed before the principal is crystallized, the revolving mortgagee may not exercise the revolving mortgage with respect to the obligation of the person that assumes the obligation.
(3) If the assumption of obligation releasing an old obligor is effected before the principal is crystallized, the obligee may not transfer the revolving mortgage to the obligation assumed by the new obligor, notwithstanding the provisions of Article 472-4, paragraph (1).
(4) If any novation due to the substitution of the obligee is effected before the principal is crystallized, the obligee before the novation may not transfer the revolving mortgage to the obligations after the novation, notwithstanding the provisions of Article 518, paragraph (1). The same applies to the obligee in the case of novation due to the substitution of the obligor before the principal is crystallized..


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 575
(1) If the subject matter of a sale which has not yet been delivered bears fruits, the fruits vest in the seller.
(2) The buyer bears the obligation to pay interest on the price beginning from the day of delivery;provided, however, that if a due date is provided for the payment of the price, it is not necessary to pay the interest until that due date arrives..


Article 651 (1) A mandate may be cancelled by either party at any time.
(2) In the following cases, a party that has cancelled a mandate pursuant to the provisions of the preceding paragraph must compensate for damage suffered by the other party; provided, however, that this does not apply if there was a compelling reason for the cancellation:
(i) if the party cancels the mandate at a time that is detrimental to the other party; or
(ii) if the mandator cancels the mandate for which the purpose includes the interests for the mandatary (excluding the profit to be obtained exclusively by receiving remuneration).


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 333
Statutory liens may not be exercised against the movables that are the subject matter of the same after the obligors have delivered those movables to third party acquirers..


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 665
The provisions of Articles 646 through 648, Article 649, and Article 650, paragraphs (1) and (2) apply mutatis mutandis to bailments.
Article 648
(1) In the absence of any special agreements, the mandatary may not claim remuneration from the mandator.
(2) If a mandatary is to receive remuneration, the mandatary may not claim this until after having performed the mandated business;provided, however, that if the remuneration is specified with reference to period, the provisions of Article 624, paragraph (2) apply mutatis mutandis.
(3) In the following cases, the mandatary may demand remuneration in proportion to the performance already completed:
(i) if the mandatary is no longer able to perform the mandated business due to any grounds not attributable to the mandator; or
(ii) if the mandate is terminated during the course of performance.
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 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 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 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 268 (1) If the duration of superficies is not fixed by the act that established the same and there are no relevant customs, the superficiary may waive that right at any time; provided, however, that if rent must be paid, the superficiary must give notice one year or more in advance or pay rent for one year that has not yet become due and payable.


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..
