This Act comes into effect as of the day on which one year has elapsed 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.

①The provisions of Article 4, paragraph (3), items (iii) and (iv) of the Consumer Contract Act as amended by the provisions of Article 1 (hereinafter referred to as the "new Consumer Contract Act" in this Article) (including where these provisions are applied mutatis mutandis pursuant to Article 5, paragraph (1) of the Consumer Contract Act) apply to a manifestation of an intention to be bound by the offer of a consumer contract (meaning a consumer contract prescribed in Article 2, paragraph (3) of the Consumer Contract Act; the same applies in the following paragraph and paragraph (3)) or by the acceptance of such an offer made on or after the date on which this Act comes into effect (referred to as the "effective date" in the provisions of the following paragraph through paragraph (4)).

②The provisions of Article 4, paragraph (3), item (ix) of the new Consumer Contract Act (including as applied mutatis mutandis pursuant to Article 5, paragraph (1) of the Consumer Contract Act) apply to a manifestation of an intention to be bound by the offer of a consumer contract or by the acceptance of such an offer made on or after the effective date, and with regard to a manifestation of an intention to be bound by the offer of a consumer contract or by the acceptance of such an offer made before the effective date, the provisions then in force continue to govern.

③The provisions of Article 8, paragraph (3) of the new Consumer Contract Act apply to the clauses of a consumer contract entered into on or after the effective date.

④The provisions of Article 12-5 of the new Consumer Contract Act apply to a demand under the provisions of Article 12, paragraph (3) of the new Consumer Contract Act or Article 12, paragraph (4) of the Consumer Contract Act made on or after the effective date.

⑤The provisions of Article 19, paragraph (4) of the new Consumer Contract Act apply to an application under that paragraph made on or after the date on which the provisions set forth in item (i) of the preceding Article come into effect (hereinafter referred to as the "item (i) effective date" in this Article through Article 4 of the Supplementary Provisions), and with regard to an application under Article 19, paragraph (4) of the Consumer Contract Act prior to the amendment by the provisions of Article 1 (referred to as the "former Consumer Contract Act" in the following paragraph) made before the item (i) effective date, the provisions then in force continue to govern.

⑥The provisions of Article 20, paragraph (4) of the new Consumer Contract Act apply to an application under that paragraph made on or after the item (i) effective date, and with regard to an application under Article 20, paragraph (4) of the former Consumer Contract Act made before the item (i) effective date, the provisions then in force continue to govern.

⑦The provisions of Article 31, paragraphs (1), (2), and (5) of the new Consumer Contract Act apply to the documents prescribed in paragraph (1) of that Article pertaining to a business year beginning on or after the item (i) effective date, and with regard to the documents pertaining to a business year that began before the item (i) effective date, the provisions then in force continue to govern.

With regard to the application of penal provisions to acts committed before the item (i) effective date and to acts committed on or after the item (i) effective date in the cases where the provisions then in force continue to govern pursuant to the provisions of these Supplementary Provisions (excluding Article 2, paragraph (2) of the Supplementary Provisions), the provisions then in force continue to govern.

Beyond what is provided for in the preceding three Articles, transitional measures necessary in connection with the enforcement of this Act (including transitional measures concerning penal provisions) are specified by Cabinet Order.

If five years have elapsed since this Act came into effect, the Government is to review the status of enforcement of the provisions as amended by this Act, and, when it finds it to be necessary, take the necessary measures based on the results of the review.