Supplementary Provisions, Article 9
第九条
On 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.
本籍地の市町村長（特別区の区長を含むものとし、地方自治法（昭和二十二年法律第六十七号）第二百五十二条の十九第一項の指定都市（以下この項において「指定都市」という。）にあっては、区長又は総合区長とする。以下この条及び附則第十三条において同じ。）は、第三号施行日から起算して一年を経過した日に、市役所（特別区の区役所を含むものとし、指定都市にあっては、区又は総合区の区役所とする。）又は町村役場の所在地を管轄する法務局又は地方法務局の長（次項において「管轄法務局長等」という。）の許可を得て、附則第一条第三号に掲げる規定の施行の際現に戸籍に記載されている者に係る氏の振り仮名を戸籍に記載するものとする。ただし、同日の前日までに附則第六条第一項若しくは第二項の届出又は附則第七条第一項若しくは第二項の届出があったときは、この限りでない。
On 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).
In 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.
Without 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.