This Act comes into effect on the date specified by Cabinet Order within a period not exceeding one year and three months from the date of promulgation; provided, however, that the provisions set forth in the following items come into effect on the dates specified respectively in those items:

①The person entered at the head of the family register (referred to below as the "head of the family register") at the time of enforcement of the provisions listed in Article 1, item (iii) of the Supplementary Provisions (excluding a person who has already made a notification under the provisions of this paragraph or the following paragraph) may make a notification regarding the surname kana characters of the surname listed in the family register of the head of the family register, limited to a period within one year from the effective date of item (iii).

②If a head of the family register who is allowed to make the notification stated in the preceding paragraph uses a pronunciation other than the pronunciation referred to in Article 13, paragraph (1), item (ii) (referred to below as the "general pronunciation") under the provisions of Article 13, paragraph (2) of the Family Register Act as amended by the provisions of Article 7 (referred to below as the "new Family Register Act") at the time of enforcement of the provisions listed in Article 1, item (iii) of the Supplementary Provisions, the head of the family register may make a notification to the effect that the characters displaying the pronunciation being used are to be particulars entered into the family register in lieu of the notification in the preceding paragraph, limited to within one year from the effective date of item (iii). In this case, in applying the provisions of Article 13, paragraph (1), item (ii), Article 29, item (iv), Article 107, paragraph (1) and Article 107-3 of the new Family Register Act, and other laws and regulations, to the person entered in the family register related to the notification, the characters used in the relevant notification are deemed to be the surname kana characters.

③If the head of the family register who is allowed to make the notification stated in paragraph (1) is removed from the relevant family register, limited to within one year from the effective date of item (iii), in accordance with the order, the persons listed below may make the notifications referred to in the preceding two paragraphs; provided, however, that this does not apply if the notifications referred to in the preceding two paragraphs have already been made for the relevant family register:

④The person making the notification referred to in paragraph (2) must submit a document certifying that the pronunciation of the surname that is being used is generally accepted.

①A person who is entered in the family register at the time of enforcement of the provisions listed in Article 1, item (iii) of the Supplementary Provisions (excluding the head of the family register), and who is entered at the head (excluding the person who has already made a notification under the provisions of this paragraph or the following paragraph) of a family register newly created on or after the effective date of item (iii) (referred to below as the "new family register" in this Article and in Article 11 of the Supplementary Provisions) may make a notification regarding the surname kana characters related to the surname entered into the relevant new family register, limited to within one year from the effective date of item (iii).

②Limited to within one year from the effective date of item (iii), the person prescribed in the preceding paragraph who uses a pronunciation other than the general pronunciation for the surname referred to in the preceding paragraph at the time of enforcement of the provisions set forth in Article 1, item (iii) of the Supplementary Provisions may make a notification to the effect that the characters displaying the pronunciation of the surname that are being used are to be particulars entered into the new family register for the person in lieu of the notification in the preceding paragraph. In this case, in applying the provisions of Article 13, paragraph (1), item (ii), Article 29, item (iv), Article 107, paragraph (1) and Article 107-3 of the new Family Register Act, and other laws and regulations, to the person entered in the new family register related to the relevant notification, the characters related to the relevant notification are deemed to be the surname kana characters.

③If the person prescribed in paragraph (1) is removed from the new family register related to the person, limited to within one year from the effective date of item (iii), in accordance with the order, the persons listed below may make the notifications referred to in the preceding two paragraphs; provided, however, that this does not apply if the notifications referred to in the preceding two paragraphs have already been made concerning the relevant new family register:

④If the notification in paragraph (1) or (2) of the preceding Article has been made concerning the surname entered in the new family register before the day that new family register was created, the provisions of the preceding three paragraphs do not apply.

⑤The person making the notification referred to in paragraph (2) must submit a document certifying that the pronunciation of the surname that is being used is generally accepted.

①A person entered in the family register at the time of enforcement of the provisions listed in Article 1, item (iii) of the Supplementary Provisions (excluding a person who has already made a notification under the provisions of this paragraph or the following paragraph) may make a notification regarding the given name kana characters of the given name listed in the person's family register, limited to a period within one year from the effective date of item (iii).

②Limited to within one year from the effective date of item (iii), the person prescribed in the preceding paragraph who uses a pronunciation other than the general pronunciation for the given name referred to in the preceding paragraph at the time of enforcement of the provisions set forth in Article 1, item (iii) of the Supplementary Provisions may make a notification to the effect that the characters displaying the pronunciation of the given name that are being used are to be particulars entered into the family register in lieu of the notification in the preceding paragraph. In this case, in applying the provisions of Article 13, paragraph (1), item (ii), Article 29, item (iv), Article 107-2 and Article 107-4 of the new Family Register Act, and other laws and regulations, to the person making the notification, the characters related to the relevant notification are deemed to be the given name kana characters.

③The person making the notification referred to in the preceding paragraph must submit a document certifying that the pronunciation of the given name that is being used is generally accepted.

①On the day after the final day in the one year period commencing on the effective date referred to in item (iii), the mayor of a municipality for the place of the registered domicile (including a special ward mayor; with respect to a designated city set forth in Article 252-19, paragraph (1) of the Local Autonomy Act (Act No. 67 of 1947) (referred to below as a "designated city" in this paragraph), a ward mayor or administratively consolidated ward mayor; the same applies below in this Article and in Article 13 of the Supplementary Provisions) is to obtain the permission of the director of a legal affairs bureau or district legal affairs bureau with jurisdiction over the location of a city office (including a ward office of a special ward; with respect to a designated city, a ward office of a ward or administratively consolidated ward) or town or village office (referred to below as the "director with jurisdiction" in the following paragraph) and enter into the family register the surname kana characters related to the person entered into the family register at the time of enforcement of the provisions listed in Article 1, item (iii) of the Supplementary Provisions; provided, however, that this does not apply if the notification referred to in Article 6, paragraph (1) or (2) of the Supplementary Provisions, or the notification referred to in Article 7, paragraph (1) or (2) of the Supplementary Provisions has been made by the day before that day.

②On the day after the final day in the one year period commencing on the effective date referred to in item (iii), the mayor of a municipality for the place of the registered domicile is to obtain the permission of the director with jurisdiction and enter into the family register the given name kana characters related to the person entered into the family register at the time of enforcement of the provisions listed in Article 1, item (iii) of the Supplementary Provisions (excluding the person who made the notification referred to in paragraph (1) or (2) of the preceding Article by the day before that day).

③In the case referred to in the preceding two paragraphs, when the mayor of a municipality for the place of the registered domicile finds that the person entered into the family register at the time of enforcement of the provisions listed in Article 1, item (iii) of the Supplementary Provisions is using a surname pronunciation or given name pronunciation other than the general pronunciation, notwithstanding the provisions of the preceding two paragraphs, the mayor may enter the characters displaying the pronunciation of the surname or the pronunciation of the given name that is being used in the family register of the person in lieu of the surname kana characters or the given name kana characters. In this case, in applying the provisions of Article 13, paragraph (1), item (ii), Article 29, item (iv), Article 107, paragraph (1) and Article 107-2 of the new Family Register Act, and other laws and regulations, to the person for whom the characters are entered in the family register pursuant to the provisions of this paragraph, the characters related to the entry are deemed to be the surname kana characters or the given name kana characters.

④Without delay after the enforcement date stated in item (iii), the mayor of a municipality for the place of the registered domicile must notify a person who is entered in the family register at the time of enforcement of the provisions listed in Article 1, item (iii) of the Supplementary Provisions, of the surname kana characters, or given name kana characters, or of the characters displaying the pronunciation of the surname or the given name other than the general pronunciation, that the mayor intends to enter into the person's family register pursuant to the provisions of the preceding three paragraphs; provided, however, that this does not apply if it is difficult to notify the person in advance.

①If the surname kana characters are entered into a family register pursuant to the provisions of paragraph (1) of the preceding Article, the head of the family register (excluding a person who has already made the notification under the provisions of this paragraph or the following paragraph; the same applies in that paragraph) may make a notification to change the surname kana characters.

②In the case that the surname kana characters have been entered into a family register pursuant to the provisions of paragraph (1) of the preceding Article, if the head of the family register is using a pronunciation other than the general pronunciation for the surname at the time of enforcement of the provisions set forth in Article 1, item (iii) of the Supplementary Provisions, the head of the family register may make a notification to the effect that the particulars entered in the family register be changed to the characters displaying the pronunciation of the surname that is being used. In this case, in applying the provisions of Article 13, paragraph (1), item (ii), Article 29, item (iv), Article 107, paragraph (1) and Article 107-3 of the new Family Register Act, and other laws and regulations, to the person entered in the family register related to the notification, the characters used in the relevant notification are deemed to be the surname kana characters.

③If characters displaying a pronunciation of the surname other than the general pronunciation are entered into a family register pursuant to the provisions of paragraph (3) of the preceding Article, the head of the family register (excluding a person who has already made the notification under the provisions of this paragraph or the following paragraph; the same applies in that paragraph) may make a notification to the effect that the particulars entered in the family register be changed to the surname kana characters according to the general pronunciation.

④In the case that characters displaying a pronunciation of the surname other than the general pronunciation are entered into a family register pursuant to the provisions of paragraph (3) of the preceding Article, if the head of the family register is using, at the time of enforcement of the provisions set forth in Article 1, item (iii) of the Supplementary Provisions, a pronunciation of the surname that differs from the pronunciation entered into the family register and that is a pronunciation other than the general pronunciation, the head of the family register may make a notification to the effect that the particulars entered in the family register be changed to the characters displaying the pronunciation of the surname that is being used. In this case, in applying the provisions of Article 13, paragraph (1), item (ii), Article 29, item (iv), Article 107, paragraph (1) and Article 107-3 of the new Family Register Act, and other laws and regulations, to the person entered in the family register related to the notification, the characters used in the relevant notification are deemed to be the surname kana characters.

⑤The provisions of Article 107-3 of the new Family Register Act do not apply to the notifications in the preceding paragraphs.

⑥If the person who seeks to make the notifications in paragraphs (1) through (4) has a spouse, the notifications must be made together with the spouse.

⑦The provisions of Article 6, paragraph (3) of the Supplementary Provisions apply mutatis mutandis to the cases in which the head of the family register referred to in paragraphs (1) through (4) is removed from the relevant family register. In these cases, the term "limited to within one year from the effective date of item (iii), in" in paragraph (3) of that Article is deemed to be replaced with "in".

⑧The person making the notification in paragraph (2) or (4) must submit a document certifying that the pronunciation of the surname that is being used, to which the notification relates, is generally accepted.

The provisions of the preceding Article apply mutatis mutandis to a person (excluding the head of the family register) entered in a family register in which the surname kana characters or characters displaying a pronunciation of the surname other than the general pronunciation have been entered pursuant to the provisions of Article 9, paragraph (1) or (3) of the Supplementary Provisions, and who is entered at the head of the new family register; provided, however, that this does not apply if the notifications referred to in paragraphs (1) through (4) of the preceding Article or the notifications referred to in paragraphs (1) through (4) of the preceding Article as applied mutatis mutandis pursuant to this Article have been made concerning the surname entered in the new family register before the day that new family register was created.

①A person for whom the given name kana characters have been entered into a family register pursuant to the provisions of Article 9, paragraph (2) of the Supplementary Provisions (excluding a person who has already made the notification under the provisions of this paragraph or the following paragraph; the same applies in that paragraph) may make a notification to change the given name kana characters.

②A person for whom the given name kana characters have been entered into a family register pursuant to the provisions of Article 9, paragraph (2) of the Supplementary Provisions and who uses a pronunciation other than the general pronunciation for the given name at the time of enforcement of the provisions set forth in Article 1, item (iii) of the Supplementary Provisions may make a notification to the effect that the particulars entered in the family register be changed to the characters displaying the pronunciation of the given name that is being used. In this case, in applying the provisions of Article 13, paragraph (1), item (ii), Article 29, item (iv), Article 107-2 and Article 107-4 of the new Family Register Act, and other laws and regulations, to the person that changed the particulars entered in the family register through the notification, the characters used in the relevant notification are deemed to be the given name kana characters.

③A person for whom characters displaying a pronunciation of the given name other than the general pronunciation have been entered into a family register pursuant to the provisions of Article 9, paragraph (3) of the Supplementary Provisions (excluding a person who has already made the notification under the provisions of this paragraph or the following paragraph; the same applies in that paragraph) may make a notification to the effect that the particulars entered in the family register be changed to the given name kana characters according to the general pronunciation.

④A person for whom characters displaying a pronunciation of the given name other than the general pronunciation are entered in the family register pursuant to the provisions of Article 9, paragraph (3) of the Supplementary Provisions and who is using, at the time of enforcement of the provisions set forth in Article 1, item (iii) of the Supplementary Provisions, a pronunciation of the given name that differs from the pronunciation entered into the family register and that is a pronunciation other than the general pronunciation, may make a notification to the effect that the particulars entered in the family register be changed to the characters displaying the pronunciation of the given name that is being used. In this case, in applying the provisions of Article 13, paragraph (1), item (ii), Article 29, item (iv), Article 107-2 and Article 107-4 of the new Family Register Act, and other laws and regulations, to the person that changed the characters displaying the pronunciation of the given name through the notification, the characters used in the relevant notification are deemed to be the given name kana characters.

⑤The provisions of Article 107-4 of the new Family Register Act do not apply to the notifications in the preceding paragraphs.

⑥The person making the notification referred to in paragraph (2) or (4) must submit a document certifying that the pronunciation of the given name that is being used in that notification is generally accepted.

To the extent necessary for the enforcement of Articles 6 through the preceding Article of the Supplementary Provisions, the mayor of a municipality for the place of the registered domicile may request the head of a relevant local government or any other person for the provision of information related to kana characters indicating the name of the person entered into the family register and the characters displaying the pronunciation of the surname and the given name, that are being used by the person at the time of enforcement of the provisions stated in Article 1, item (iii) of the Supplementary Provisions.

The range of the characters and marks that may be used as the kana characters displaying the pronunciation of the surname or the given name other than the general pronunciation is to be the range of the kana characters and marks specified by Ministry of Justice Order in the provisions of Article 13, paragraph (3) of the new Family Register Act.

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