TASK DEFINITION: In this task, you are given a sentence in the English language and your task is to convert it into the Japanese language. In translation, keep numbers as it is and make it sentence case (capitalize only the first word of each sentence and noun).
PROBLEM: According to Japan's Act on nationality, a non-Japanese child (under 20) who was after its birth legitimated by marriage and acknowledgment can acquire Japanese nationality by filing notification, with some requirements which the plaintiffs had already fulfilled.

SOLUTION: 日本の国籍法によると、結婚および認知によってその出生が合法化された日本人以外の子ども（二十歳以下）は、原告らが既に記入していた通知に記入することで日本国籍を得ることができる。

PROBLEM: None of the patients were told that they were prayed for, and none of the prayer groups knew who they prayed for.

SOLUTION: 患者は誰も自分が祈ってもらっていることを知らされていなかったし、祈祷グループの誰も自分が誰のために祈っているか知らなかった。

PROBLEM: Due to legislative requirements, as well as having consent, businesses will have to provide details about the company sending the item, and provide a free way to unsubscribe from future mailings.

SOLUTION:
立法上の要件のために、企業は同意を得るだけでなく、アイテムを送っている会社について詳細を提供しなければならず、将来の郵送の応募を取り消す無料の方法を提供しなければならない。