Instruct: Given a legal statement, retrieve articles that support the statement.
Query: 
An employment contract is a contract for value, and the timing of payment of remuneration shall be deferred payment in principle, but a special provision for advance payment may be entered.


Article 623
An employment contract becomes effective when a first party promises to a second party that the first party will engage in work and the second party promises to pay remuneration for this.
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 656
The provisions of this Section apply mutatis mutandis to entrustments of business that do not constitute juridical acts.
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 482
If a person that has right to perform an obligation (hereinafter referred to as a "performer") concludes a contract with the obligee to the effect that the person is to have the obligation extinguished by making, in lieu of the payment or delivery to be performed by the obligor, another type of payment or delivery, and the performer makes that other type of payment or delivery, the payment or delivery thus made has the same effect as that of the performance of the obligation..


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 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 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 484
(1) Unless a particular intention is manifested with respect to the place where the performance should take place, the delivery of a specific thing must be effected at the place where that thing was located when the relevant claim accrued, and the discharge of any other obligation must be effected at the current domicile of the obligee.
(2) If the trading hours are specified by laws and regulations or customs, performance may be made or demanded only within the trading hours.
Article 401
(1) If the object of a claim is designated only with reference to a type and its quality cannot be determined in light of the nature of the juridical act or intention of the parties, the obligor must deliver a thing of medium quality.
(2) In the case referred to in the preceding paragraph, if the obligor has completed the acts necessary to deliver the thing, or has designated the thing the obligor is to deliver with the consent of the obligee, that thing thenceforth constitutes the subject matter of the claim..


Article 641
The party ordering work may cancel the contract at any time whilst the contractor has not completed the work by paying compensation for loss or damage..


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 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 498
(1) If the property that is the subject matter of performance or the proceeds referred to in the preceding Article are deposited, the obligee may demand the return of the deposited thing.
(2) If the obligor is to effect performance in exchange for payment or delivery by the obligee, the obligee may not receive deposited thing without making that payment or delivery..


Article 446
(1) A guarantor has the responsibility to perform the obligation of the principal obligor when the latter fails to perform that obligation.
(2) No guarantee contract becomes effective unless it is made in writing.
(3) If a guarantee contract is concluded by electronic or magnetic record which records the terms thereof, the guarantee contract is deemed to be made in writing, and the provisions of the preceding paragraph apply..


Article 366
(1) A pledgee may directly collect the claim that is the subject matter of the pledge.
(2) If monies are the subject matter of a pledged claim, the pledgee may collect the same to the extent of the portion that corresponds to the amount of the pledgee's own claim.
(3) If the due date of the pledged claim referred to in the preceding paragraph arrives prior to the due date of the claim of the pledgee, the pledgee may have the third party obligor deposit with official depository that amount to be paid to the pledgee.In this case, the pledge exists over the amount so deposited.
(4) If the subject matter of the pledged claim is not monies, the pledgee has the pledge over the thing received for the satisfaction of the claim..


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 597
(1) If the parties specify a period of a loan for use, the loan for use is terminated upon the expiration of the period.
(2) If the parties do not specify a period of a loan for use, but they specify the purpose of using and making profit from the borrowed thing, the loan for use is terminated when the borrower finishes using and making profit from the thing in line with the purpose.
(3) A loan for use is terminated upon the death of the borrower..


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 465-2
(1) A guarantor to a guarantee contract under which the principal obligation is one or more unidentified obligations within a certain specified scope (hereinafter referred to as a "contract for revolving guarantee") and the guarantor is not a corporation (hereinafter referred to as a "contract for revolving guarantee by an individual") is liable to perform the obligation in terms of the amounts of the principal of the principal obligation, any interest, penalty and compensation for loss or damage in connection with the principal obligation, and all the other charges secondary to the obligation, as well as the amount of any penalty or compensation for loss or damage which is agreed- upon on with regard to the guarantee obligation, up to a certain maximum amount which pertains to all of these amounts.
(2) A contract for revolving guarantee by an individual does not become effective unless it provides for the maximum amount prescribed in the preceding paragraph.
(3) The provisions of Article 446, paragraphs (2) and (3) apply mutatis mutandis to the provisions concerning a maximum amount prescribed in paragraph (1) in a contract for revolving guarantee by an individual..


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 492
Upon tendering the performance, the obligor is relieved from any and all responsibilities which may arise from the non-performance of the obligation..


Article 121-2 (1) A person that has received payment or delivery as the performance of an obligation based on a void act has an obligation to restore the other party to the original state.
(2) Notwithstanding the provisions of the preceding paragraph, if a person that receives payment or delivery as the performance of an obligation based on a void gratuitous act did not know that the act was void at the time of receiving the payment or delivery (or if the person did not know that the act was voidable at the time of receiving the payment or delivery in the case of an act which is deemed void ab initio pursuant to the provisions of the preceding Article after the receipt of the payment or delivery), has an obligation to return to the extent currently enriched by the act.


Article 633
Remuneration must be paid simultaneously with delivery of the subject matter of work performed;provided, however, that if no delivery of a thing is required, the provisions of Article 624, paragraph (1) apply mutatis mutandis..


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 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 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 519
If an obligee manifests the intention to release an obligor from an obligation to that obligor, the obligee's claim is extinguished.
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 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 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..
