Reacquisition of Japanese Nationality
Article 17 Nationality Law
(1) A person who loses Japanese nationality pursuant to the provisions of Article 12 and is under twenty years of age may acquire Japanese nationality, if he/she has a Japanese domicile, through notification to the Minister of Justice.
(2) A person who receives the notice pursuant to the provisions of Article 15, paragraph (2) and loses Japanese nationality pursuant to the provisions of that same Article, paragraph (3) may acquire Japanese nationality if he/she meets the conditions listed in Article 5, paragraph (1),item (v) through notification to the Minister of Justice within one year from the date of knowing of the loss of Japanese nationality; provided, however, that if notification cannot be made within that period due to a natural disaster or some other cause not attributable to that person, that period shall be one month from the time when the notification can be made.
(3) The person making notification provided for in the provisions of the preceding two paragraphs shall acquire Japanese nationality at the time of the notification.