Instruct: Given a legal statement, retrieve articles that support it.
Query: 
In a revolving guarantee contract on loans, even if the principal determination date is determined, if the maximum amount is not stipulated, it shall not be effective.


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 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 398-20
(1) The principal secured by a revolving mortgage is crystallized in the following cases:
(i) if the revolving mortgagee has filed, with respect to the mortgaged immovables, a petition for auction or execution against earnings from immovable collateral or the attachment under the provisions of Article 304
as applied mutatis mutandis pursuant to Article 372;provided, however, that this provision applies only if the commencement of either auction procedures or execution procedures against earnings from immovable collateral, or an attachment has been effected;
(ii) if the revolving mortgagee has effected an attachment for disposition of delinquency against the mortgaged immovables;
(iii) if two weeks have passed from the time when the revolving mortgagee acquired knowledge of the commencement of auction procedures or attachment for disposition of delinquency against the mortgaged immovables; or
(iv) if the obligor or mortgagor of the revolving mortgage has become subject to an order commencing bankruptcy proceeding.
(2) If the commencement of auction procedures, the attachment under item (iii) of the preceding paragraph or the order commencing bankruptcy proceeding under item (iv) of that paragraph ceases to be effective, it is deemed that the principal secured was not crystallized;provided, however, that this does not apply if a person has acquired that revolving mortgage or a right for which the revolving mortgage is the subject matter on the assumption that the principal was crystallized..


Article 398-19
(1) If three years have passed from the time of the creation of a revolving mortgage, the mortgagor of the revolving mortgage may request the crystallizing of the principal secured.In this case, the principal secured is crystallized when two weeks have passed since the time of that request.
(2) A revolving mortgagee may request the crystallizing of the principal secured at any time.In this case, the principal secured is crystallized on the request of the same.
(3) The provisions of the preceding two paragraphs do not apply if the date on which the principal secured is to be crystallized is specified..


Article 398-4
(1) The scope of the claims to be secured by a revolving mortgage may be changed if the change is effected before the principal is crystallized. The same applies with respect to change of obligors.
(2) In order to effect the changes referred to in the preceding paragraph, it is not required that the approval of third parties including subordinated mortgagee be obtained.
(3) If the change under paragraph (1) is not registered before the principal is crystallized, it is deemed that the change was not effected..


Article 525
(1) An offer made without specifying a period for acceptance may not be revoked until the passage of a reasonable period of time for the offeror to receive a notice of acceptance;provided, however, that this does not apply if the offeror reserves the right to revoke.
(2) Notwithstanding the provisions of the preceding paragraph, an offer referred to in that paragraph which has been made to a person with whom the offeror is having a dialogue may be revoked at any time while the dialogue continues.
(3) If an offeror does not receive from a person with whom the offeror is having a dialogue a notice of acceptance of the offer referred to in paragraph (1) while the dialogue continues, the offer ceases to be effective;provided, however, that this does not apply if the offeror manifests the intention to maintain the effect of the offer after the end of the dialogue..


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 396 No mortgage is extinguished by prescription in relation to obligors and mortgagors unless it is extinguished simultaneously with the claim the mortgage secures.


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 371
If there is a default with respect to a claim secured by a mortgage, the mortgage extends to the fruits of the mortgaged immovables derived after the default..


Article 526
If an offeror dies, comes to be in a constant state wherein the offeror lacks mental capacity, or becomes subject to restrictions on legal capacity to act after issuing notice of the offer, and the offeror has manifested the intention not to make the offer effective should any of these facts occur, or the other party comes to know that any of these facts has occurred before issuing a notice of acceptance, that offer is not effective..


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 577
(1) If a mortgage that does not conform to the terms of the contract is registered on immovables that have been purchased, the buyer may refuse to pay the price until the completion of the procedures of the claim for extinguishment of the mortgage. In such cases, the seller may demand that the buyer file the claim for extinguishment of the mortgage without delay.
(2) The provisions of the preceding paragraph apply mutatis mutandis if a statutory lien or pledge that does not conform to the terms of the contract is registered on the immovables that have been bought..


Article 398-4
(1) The scope of the claims to be secured by a revolving mortgage may be changed if the change is effected before the principal is crystallized. The same applies with respect to change of obligors.
(2) In order to effect the changes referred to in the preceding paragraph, it is not required that the approval of third parties including subordinated mortgagee be obtained.
(3) If the change under paragraph (1) is not registered before the principal is crystallized, it is deemed that the change was not effected..


Article 587-2
(1) Notwithstanding the provisions of the preceding Article, a loan for consumption made in writing becomes effective when a first party promises to deliver money or any other thing and a second party promises to return a thing of the same type, quality, and quantity as the thing delivered.
(2) The borrower of a loan for consumption made in writing may cancel the contract until the borrower receives the money or other thing from the lender. In such a case, if the lender sustains any damage from the cancellation of the contract, the lender may claim compensation therefor.
(3) A loan for consumption made in writing ceases to be effective if either of the parties receives an order commencing bankruptcy proceedings before the borrower receives the thing such as money from the lender.
(4) If a loan for consumption is made by means of an electronic or magnetic record in which its content is recorded, the loan for consumption is deemed to have been made in writing, and the provisions of the preceding three paragraphs apply thereto..


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 115
A counterparty may rescind a contract that a person without the authority to represent has concluded until the principal ratifies it;provided, however, that this does not apply if the counterparty knew at the time of the conclusion of the contract that the agent had no authority to represent..


Article 447
(1) The guarantee obligation includes interest, penalty and compensation for loss or damage in connection with the principal obligation, and all other charges secondary to that obligation.
(2) A guarantor may stipulate the amount of penalty or compensation for loss or damage with regard to the guarantor's own guarantee obligation only..


Article 447
(1) The guarantee obligation includes interest, penalty and compensation for loss or damage in connection with the principal obligation, and all other charges secondary to that obligation.
(2) A guarantor may stipulate the amount of penalty or compensation for loss or damage with regard to the guarantor's own guarantee obligation only..


Article 424 (1) An obligee may demand the court to rescind an act which the obligor commits knowing that it will prejudice the obligee; provided, however, that this does not apply if a person that benefits from that act (hereinafter referred to as the "beneficiary" in this Subsection) does not know, at the time of the act, that the obligee will be prejudiced.


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 405
If the payment of interest corresponding to one year or more is delayed, and if the obligor does not pay that interest notwithstanding the demand by the obligee, the obligee may incorporate that interest into the principal..


Article 496
(1) As long as the obligee does not accept the deposit, or the judgment which pronounces that the deposit is effective does not become final and binding, the performer may recover the deposited thingy. In such case, it is deemed that no deposit has been effected.
(2) The provisions of the preceding paragraph do not apply in cases any pledge or mortgage has been extinguished due to the deposit..


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 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 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..
