This Act comes into effect as of the date specified by Cabinet Order within a period not exceeding 3 years from the date of promulgation; provided, however, that the provisions set forth in the following items come into effect as of the dates specified respectively in those items.

The provisions of Article 3-2 of the Civil Code after amendment by this Act (hereinafter referred to as the "New Act") do not apply to a manifestation of intention made before the date on which this Act comes into effect (hereinafter referred to as the "Effective Date").

With regard to an act performed before the Effective Date by a person with qualified legal capacity (meaning a person with qualified legal capacity prescribed in Article 13, paragraph (1), item (x) of the New Act; the same applies below in this Article) as the legal representative of another person with qualified legal capacity, notwithstanding that paragraph and the provisions of Article 102 of the New Act, the provisions then in force continue to govern.

With regard to a claim payable to bearer prescribed in Article 86, paragraph (3) of the Civil Code prior to amendment by this Act (hereinafter referred to as the "Former Act") that arose before the Effective Date (including one for which the juridical act that is its cause was performed before the Effective Date), the provisions then in force continue to govern.

With regard to a juridical act performed before the Effective Date, notwithstanding the provisions of Article 90 of the New Act, the provisions then in force continue to govern.

①With regard to a manifestation of intention made before the Effective Date, notwithstanding the provisions of Article 93, Article 95, Article 96, paragraphs (2) and (3), and Article 98-2 of the New Act, the provisions then in force continue to govern.

②With regard to a manifestation of intention for which notice was sent before the Effective Date, notwithstanding the provisions of Article 97 of the New Act, the provisions then in force continue to govern.

①With regard to agency in the case where the cause giving rise to authority to represent arose before the Effective Date (including the case where an indication of the grant of authority to represent was made), beyond what is prescribed in Article 3 of the Supplementary Provisions, the provisions then in force continue to govern.

②With regard to the liability of an unauthorized agent in the case where the unauthorized agent acted as an agent before the Effective Date, notwithstanding the provisions of Article 117 of the New Act (including as applied mutatis mutandis pursuant to Article 118 of the New Act), the provisions then in force continue to govern.

①With regard to the obligation of restoration of a person that has received payment or delivery in the case where the payment or delivery was made before the Effective Date as performance of an obligation based on a void act, notwithstanding the provisions of Article 121-2 of the New Act (including as applied mutatis mutandis pursuant to Article 872, paragraph (2) of the New Act), the provisions then in force continue to govern.

②With regard to the ratification (including statutory ratification) of a revocable act in the case where that act was performed before the Effective Date, notwithstanding the provisions of Articles 122, 124, and 125 of the New Act (including as applied mutatis mutandis pursuant to Article 872, paragraph (2) of the New Act), the provisions then in force continue to govern.

The provisions of Article 130, paragraph (2) of the New Act do not apply to a juridical act performed before the Effective Date.

①With regard to the invocation of extinctive prescription of a claim in the case where the claim arose before the Effective Date (including the case where the claim arose on or after the Effective Date and the juridical act that is its cause was performed before the Effective Date; the same applies below), notwithstanding the provisions of Article 145 of the New Act, the provisions then in force continue to govern.

②With regard to the effect of a circumstance for interruption of prescription prescribed in Article 147 of the Former Act or a circumstance for suspension of prescription prescribed in Articles 158 through 161 of the Former Act in the case where such a circumstance arose before the Effective Date, the provisions then in force continue to govern.

③The provisions of Article 151 of the New Act do not apply to an agreement made in writing before the Effective Date to the effect that discussions concerning a right are to be held (including the case where the agreement was made by means of an electronic or magnetic record that records the content of the agreement (meaning an electronic or magnetic record prescribed in Article 151, paragraph (4) of the New Act; the same applies in Article 33, paragraph (2) of the Supplementary Provisions)).

④With regard to the period of extinctive prescription of a claim in the case where the claim arose before the Effective Date, the provisions then in force continue to govern.

With regard to the requirements for perfection of a pledge over a claim for which the contract of creation was concluded before the Effective Date, notwithstanding the provisions of Article 364 of the New Act, the provisions then in force continue to govern.

With regard to a claim payable to order prescribed in Article 365 of the Former Act that arose before the Effective Date (including one for which the juridical act that is its cause was performed before the Effective Date), the provisions then in force continue to govern.

①With regard to the scope of secured claims under a revolving mortgage for which the contract of creation was concluded before the Effective Date, notwithstanding the provisions of Article 398-2, paragraph (3) and Article 398-3, paragraph (2) of the New Act, the provisions then in force continue to govern.

②The provisions of Article 398-7, paragraph (3) of the New Act do not apply to a contract concerning the assumption of an obligation concluded before the Effective Date.

③With regard to the transfer of a revolving mortgage relating to a contract of novation concluded before the Effective Date, notwithstanding the provisions of Article 398-7, paragraph (4) of the New Act, the provisions then in force continue to govern.

With regard to the duty of care of the obligor in the case where a claim arose before the Effective Date, notwithstanding the provisions of Article 400 of the New Act, the provisions then in force continue to govern.

①With regard to the statutory interest rate relating to a claim that is to bear interest in the case where interest arose before the Effective Date, notwithstanding the provisions of Article 404 of the New Act, the provisions then in force continue to govern.

②With regard to the application of the provisions of Article 404, paragraph (4) of the New Act to each term until the first change in the statutory interest rate pursuant to the provisions of that paragraph, the phrase "the most recent term during which there was a change in the statutory interest rate pursuant to the provisions of this paragraph (referred to as the 'most recent term of change' in this paragraph below)" in that paragraph is deemed to be replaced with "the first term after the enforcement of the Act for Partially Amending the Civil Code (Act No. 44 of 2017)", and the phrase "the statutory interest rate for the most recent term of change" is deemed to be replaced with "3% per annum".

With regard to the identification of an alternative claim due to impossibility in the case where a claim arose before the Effective Date, notwithstanding the provisions of Article 410 of the New Act, the provisions then in force continue to govern.

①With regard to liability for non-performance, etc. of an obligation in the case where the obligation arose before the Effective Date (including the case where the obligation arose on or after the Effective Date and the juridical act that is its cause was performed before the Effective Date; the same applies in Article 25, paragraph (1) of the Supplementary Provisions), notwithstanding the provisions of Article 412, paragraph (2), Articles 412-2 through 413-2, Article 415, Article 416, paragraph (2), Article 418, and Article 422-2 of the New Act, the provisions then in force continue to govern.

②The provisions of Article 417-2 of the New Act (including as applied mutatis mutandis pursuant to Article 722, paragraph (1) of the New Act) do not apply to a claim for damages for benefits to be obtained or expenses to be borne in the future that arose before the Effective Date.

③With regard to the statutory interest rate relating to a claim that is to bear delay damages in the case where the obligor assumed responsibility for delay before the Effective Date, notwithstanding the provisions of Article 419, paragraph (1) of the New Act, the provisions then in force continue to govern.

④With regard to an agreement on liquidated damages prescribed in Article 420, paragraph (1) of the Former Act and an agreement to appropriate anything other than money as compensation for damage prescribed in Article 421 of the Former Act, made before the Effective Date, the provisions then in force continue to govern.

①With regard to the obligee's right of subrogation relating to a right belonging to the obligor prescribed in Article 423, paragraph (1) of the Former Act, in the case where that right arose before the Effective Date, the provisions then in force continue to govern.

②The provisions of Article 423-7 of the New Act do not apply to a right that the assignor prescribed in that Article has against a third party and that arose before the Effective Date.