①When the mayor of a municipality makes an entry in a family register supplement, deletes a family register supplement, or effects the amendment of an entry with respect to all or part of the matters listed in Article 17, items (ii) through (iii) and (v) through (vii), the mayor is to notify the prefectural governor of the family register supplement identity confirmation information pertaining to that entry, etc. in a family register supplement (meaning the matters listed in items (ii) through (iii) and (v) through (vii) of that Article entered in the family register supplement (in the case where the family register supplement has been deleted, these matters that were entered in that family register supplement), and the matters specified by Cabinet Order concerning the entry, etc. in a family register supplement; the same applies hereinafter).

②The notification under the preceding paragraph is to be made, as specified by Ministry of Internal Affairs and Communications Order, by transmission from the computer used by the mayor of the municipality, via a telecommunications line, to the computer used by the prefectural governor.

③The prefectural governor who has received a notification under paragraph (1) must, as specified by Ministry of Internal Affairs and Communications Order, record the family register supplement identity confirmation information pertaining to that notification on a magnetic disk, and retain it for the period specified by Cabinet Order from the day of that notification.

④When all or part of the family register supplement identity confirmation information that the prefectural governor retains pursuant to the preceding paragraph, and for which the retention period under that paragraph has not elapsed (hereinafter referred to as "family register supplement identity confirmation information retained by the prefectural governor"), is lost, the prefectural governor must take the measures necessary to recover that family register supplement identity confirmation information retained by the prefectural governor.

①The prefectural governor is to notify the Agency of the family register supplement identity confirmation information pertaining to the notification under Article 30-41, paragraph (1).

②The notification under the preceding paragraph is to be made, as specified by Ministry of Internal Affairs and Communications Order, by transmission from the computer used by the prefectural governor, via a telecommunications line, to the computer used by the Agency.

③The Agency that has received a notification under paragraph (1) must, as specified by Ministry of Internal Affairs and Communications Order, record the family register supplement identity confirmation information pertaining to that notification on a magnetic disk, and retain it for the period specified by Cabinet Order from the day of that notification.

④When all or part of the family register supplement identity confirmation information that the Agency retains pursuant to the preceding paragraph, and for which the retention period under that paragraph has not elapsed (hereinafter referred to as "family register supplement identity confirmation information retained by the Agency"), is lost, the Agency must take the measures necessary to recover that family register supplement identity confirmation information retained by the Agency.

When the Agency, in managing or performing its affairs, becomes aware that there is an error in family register supplement identity confirmation information retained by the prefectural governor, the Agency is to report that fact to the prefectural governor who retains that family register supplement identity confirmation information retained by the prefectural governor, without delay.

When the Agency has received a request from an organ of the State or a juridical person listed in the left-hand column of Appended Table 1 concerning the processing of affairs listed in the right-hand column of that table that pertain to a person who has moved out of Japan, the Agency is to provide, as specified by Cabinet Order, family register supplement identity confirmation information retained by the Agency other than the resident record code.

When the Agency has received a request from the Digital Agency concerning the processing of affairs under the provisions of Article 21, paragraph (2) or Article 21-2, paragraph (1) of the Act on the Use of Numbers to Identify a Specific Individual in Administrative Procedures (including the cases where these provisions are applied mutatis mutandis under Article 26 of that Act) that pertain to a person who has moved out of Japan, the Agency is to provide, as specified by Cabinet Order, the resident record code entered in the family register supplement of the person pertaining to that request. In this case, the Agency may use family register supplement identity confirmation information retained by the Agency.

①When any of the following items applies, the Agency is to provide, as specified by Cabinet Order, family register supplement identity confirmation information retained by the Agency (excluding the resident record code, in the cases listed in items (i) and (ii)) to the mayor of a municipality or another executive body of a municipality within the area of the prefecture governed by the prefectural governor who gave the notification of family register supplement identity confirmation information under Article 30-42, paragraph (1) (hereinafter referred to as the "notifying prefecture for family register supplement information").

②The provision of family register supplement identity confirmation information retained by the Agency to the mayor of a municipality within the area of the notifying prefecture for family register supplement information, under the preceding paragraph (limited to the part concerning item (iii)), is to be made by transmission from a computer used by the Agency through a telecommunications line to a computer used by that mayor, as specified by Ministry of Internal Affairs and Communications Order; provided, however, that this does not apply where there has been a special request.

①When any of the following items applies, the Agency is to provide, as specified by Cabinet Order, family register supplement identity confirmation information retained by the Agency (excluding the resident record code, in the cases listed in items (i) and (ii)) to the prefectural governor of a prefecture other than the notifying prefecture for family register supplement information or another executive body of such a prefecture.

②The provision of family register supplement identity confirmation information retained by the Agency to the prefectural governor of a prefecture other than the notifying prefecture for family register supplement information under the preceding paragraph (limited to the part concerning item (iii)) is to be made by transmission from a computer used by the Agency through a telecommunications line to a computer used by that prefectural governor, as specified by Ministry of Internal Affairs and Communications Order; provided, however, that this does not apply where there has been a special request.

①If any of the following items applies, the Agency is to provide the mayor of a municipality within the area of a prefecture other than the notifying prefecture for family register supplement information or another executive body of that municipality with family register supplement identity confirmation information retained by the Agency (excluding the resident record code, in the case listed in item (i) or item (ii)), as specified by Cabinet Order.

②The provision of family register supplement identity confirmation information retained by the Agency to the mayor of a municipality within the area of a prefecture other than the notifying prefecture for family register supplement information under the preceding paragraph (limited to the part concerning item (iii)) is to be made by transmission from a computer used by the Agency through a telecommunications line to a computer used by that mayor, as specified by Ministry of Internal Affairs and Communications Order; provided, however, that this does not apply where there has been a special request.

①If any of the following items applies, the prefectural governor may use family register supplement identity confirmation information retained by the prefectural governor (excluding the resident record code; the same applies in the following paragraph and Article 30-44-7, paragraph (2) and paragraph (3)).

②If any of the following items applies, the prefectural governor is to provide an executive body of that prefecture other than the prefectural governor with family register supplement identity confirmation information retained by the prefectural governor, as specified by Cabinet Order in the case listed in item (i), or as specified by ordinance in the case listed in item (ii).

③The prefectural governor may use family register supplement identity confirmation information retained by the prefectural governor (limited to the resident record code) for affairs under Article 30-15, paragraph (1) or paragraph (2), or Article 30-15-2, paragraph (2) or paragraph (3) (limited to a case of using or providing, under those provisions, the individual number of a person to whom the family register supplement identity confirmation information retained by the prefectural governor used or provided under the preceding two paragraphs or Article 30-44-7, paragraph (2) or paragraph (3) pertains).

④If there has been a request from the prefectural governor concerning the processing of affairs under Article 30-6, paragraph (4), the Agency is to provide that prefectural governor with family register supplement identity confirmation information retained by the Agency, as specified by Cabinet Order.

⑤The Agency may use family register supplement identity confirmation information retained by the Agency for affairs under Article 30-7, paragraph (4) or Article 30-22, paragraph (3).

⑥The Agency may use family register supplement identity confirmation information retained by the Agency (limited to the resident record code) for affairs under Article 30-9, Article 30-10 through Article 30-12, or Article 30-15-2, paragraph (1) (limited to a case of providing, under those provisions, the individual number of a person to whom the family register supplement identity confirmation information retained by the Agency and provided under Article 30-44, the preceding three Articles, or paragraph (1) of the following Article pertains).

⑦The Agency may use family register supplement identity confirmation information retained by the Agency for the processing of affairs under Article 8, Article 12, Article 13, Article 18, paragraph (3), Article 27, Article 30, Article 31, and Article 34, paragraph (2) of the Act on Certification Business of the Japan Agency for Local Authority Information Systems in Relation to Electronic Signatures, etc., that pertain to a person who has moved out of Japan.

⑧The Agency may use family register supplement identity confirmation information retained by the Agency for the processing of affairs, among the affairs processed by the Agency prescribed in Article 38-2, paragraph (1) of the Act on the Use of Numbers to Identify a Specific Individual in Administrative Procedures, that are specified by Ministry of Internal Affairs and Communications Order and that pertain to a person who has moved out of Japan.

①If there has been a request from a handler of quasi-statutory work concerning the processing of quasi-statutory work specified by Ministry of Internal Affairs and Communications Order prescribed in Article 30-15-2, paragraph (1) that pertains to a person who has moved out of Japan, the Agency is to provide the family register supplement identity confirmation information retained by the Agency other than the resident record code, as specified by Cabinet Order.

②When performing quasi-statutory work specified by Ministry of Internal Affairs and Communications Order prescribed in Article 30-15-2, paragraph (2) (limited to a case of processing affairs pertaining to a person who has moved out of Japan), the prefectural governor may use family register supplement identity confirmation information retained by the prefectural governor.

③If there has been a request from a person specified by Ministry of Internal Affairs and Communications Order prescribed in Article 30-15-2, paragraph (3) concerning the processing of quasi-statutory work specified by Ministry of Internal Affairs and Communications Order prescribed in that paragraph that pertains to a person who has moved out of Japan, the prefectural governor is to provide family register supplement identity confirmation information retained by the prefectural governor.

The Agency must, at least once each year, prepare a report on the status of the provision of family register supplement identity confirmation information and resident record codes under Article 30-44, Article 30-44-2, and paragraph (1) of the preceding Article (limited to the part concerning the provision of family register supplement identity confirmation information retained by the Agency to a handler of quasi-statutory work (limited to an organ of the State or a juridical person listed in the left-hand column of Appended Table 1; the same applies in Article 30-44-12)), as specified by Ministry of Internal Affairs and Communications Order, and publish it.

The provisions of Article 30-17 to Article 30-20 apply mutatis mutandis to affairs that the Agency is to process under the provisions of this Chapter.

The Agency is to carry out, for prefectural governors, the technical advice and provision of information necessary in connection with the computer processing of family register supplement identity confirmation information relating to a notification under the provisions of Article 30-41, paragraph (1).

①The prefectural governor is to carry out the liaison and coordination necessary among the municipalities within the area of the prefecture, in connection with the transmission of family register supplement identity confirmation information through an electric telecommunications line under the provisions of Article 30-41, paragraph (2), and the processing of other affairs of municipalities prescribed in this Chapter.

②The prefectural governor is to provide the mayors of the municipalities within the area of the prefecture with the cooperation necessary to ensure that accurate records are made in the family register supplement.

③The Agency must provide the prefectural governor with the cooperation necessary to ensure that accurate records are made in the family register supplement kept by the municipalities within the area of the prefecture.

The Agency may collect a fee, in an amount determined with the approval of the Minister for Internal Affairs and Communications, from a national organ, juridical person, or handler of quasi-statutory work listed in the left-hand column of Appended Table 1, or the Digital Agency, that makes a request prescribed in Article 30-44, Article 30-44-2, or Article 30-44-7, paragraph (1).