Instruct: Given a statement, retrieve legal articles that support it.
Query: 
Since a mandate contract is a consensual contract, it shall be effective if there is an oral agreement. However, in order to assert the effect of a mandate contract to a third party, it must be documented in writing.


Article 643
A mandate becomes effective when a first party asks a second party with performing a juridical act, and the second party accepts this..


Article 106
(1) A subagent represents the principal with respect to acts within the scope of the authority thereof.
(2) A subagent has the same rights and obligations as an agent in relation to the principal and third parties within the scope of that subagent's authority.
Article 643
A mandate becomes effective when a first party asks a second party with performing a juridical act, and the second party accepts this.
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 653 A mandate terminates when:
(i) the mandator or mandatary dies;
(ii) the mandator or mandatary is subject to an order commencing bankruptcy proceeding;
(iii) the mandatary is subject to a decision for the commencement of guardianship.
Article 655 The grounds of termination of mandate may not be asserted against the other party unless the other party was notified of or knew of the same.


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 655
The grounds of termination of mandate may not be asserted against the other party unless the other party was notified of or knew of the same.
Article 653
A mandate terminates when:
(i) the mandator or mandatary dies;
(ii) the mandator or mandatary is subject to an order commencing bankruptcy proceeding;
(iii) the mandatary is subject to a decision for the commencement of guardianship..


Article 346
A pledges secures the principal, interest, penalties, expenses of enforcing the pledge, expense of preserving the thing pledged and the compensation of loss or damage arising from failure to perform obligations or latent defects in the thing pledged;provided, however, that this does not apply if the act establishing the pledge provides otherwise..


Article 493
The tender of the performance must be made actually consistent with the main purport of the obligation;provided, however, that if the obligee refuses to accept that performance in advance or if any act is required on the part of the obligee with respect to the performance of the obligation, it is sufficient for the obligor to request the acceptance thereof by giving a notice that the tender of the performance has been prepared.
Article 494
(1) In the following cases, a performer may deposit the subject matter of the performance with an official depository for the benefit of the obligee. In such a case, the claim is extinguished when the performer makes the deposit:
(i) the performer tenders the performance, and the obligee refuses to accept it; or
(ii) the obligee is unable to accept the performance.
(2) The preceding paragraph also applies if the performer is unable to ascertain the obligee;provided, however, that this does not apply if the performer is negligent in this respect..


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 632
A contract for work become effective when one of the parties promises to complete work and the other party promises to pay remuneration for the outcome of the work..


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 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 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 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 336
General statutory liens may be duly asserted against obligees without special security, even if the liens are not registered with respect to the relevant immovables;provided, however, that this does not apply to registered third parties..


Article 587
A loan for consumption becomes effective when a first party receives money or any other thing from a second party, having promised to return a thing of the same type, quality, and quantity.
Article 589
(1) In the absence of any special agreement, the lender may not demand interest from the borrower.
(2) If there is any special agreement referred to in the preceding paragraph, the lender may demand from the borrower interest that accrues from the day on which the borrower receives the thing such as money..


Article 632
A contract for work become effective when one of the parties promises to complete work and the other party promises to pay remuneration for the outcome of the work..


Article 119
A void act does not become effective by ratification;provided, however, that if a party ratifies an act knowing that the act is void, it is deemed that the party did a new act..


Article 520-7
The provisions of Article 520-2 through the preceding Article apply mutatis mutandis to the creation of a pledge on a negotiable instrument payable to order.
Article 520-2
Assignment of a negotiable instrument payable to order does not become effective unless the instrument is indorsed and delivered to the assignee..


Article 493
The tender of the performance must be made actually consistent with the main purport of the obligation;provided, however, that if the obligee refuses to accept that performance in advance or if any act is required on the part of the obligee with respect to the performance of the obligation, it is sufficient for the obligor to request the acceptance thereof by giving a notice that the tender of the performance has been prepared..


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 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 176
The creation and transfer of a real right becomes effective solely by the manifestations of intention of the parties.
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 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 593
A loan for use becomes effective if one of the parties promises to deliver a certain thing, and the other party promises to return the thing when the contract is terminated after the other party gratuitously uses and makes profit of the borrowed thing.
Article 400
If the subject matter of a claim is the delivery of a specific thing, the obligor must retain the thing with the due care of a prudent manager, which is determined in light of the contract or other sources of claims and the common sense in the transaction, until the delivery..


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..
