When a request under Article 23 has been made, a large-scale specified telecommunications service provider must determine, based on the results of the investigation under that Article, whether to take measures for preventing transmission of violating information, and notify the person making the request of the matters specified in each of the following items for the categories set forth in those items, within the period specified by Order of the Ministry of Internal Affairs and Communications that is within 14 days from the day on which it received the request; provided, however, that this does not apply when a request of the same content has previously been made by the person making the request or when there is otherwise a justifiable reason for not giving notification.
大規模特定電気通信役務提供者は、第二十三条の申出があったときは、同条の調査の結果に基づき侵害情報送信防止措置を講ずるかどうかを判断し、当該申出を受けた日から十四日以内の総務省令で定める期間内に、次の各号に掲げる区分に応じ、当該各号に定める事項を申出者に通知しなければならない。ただし、申出者から過去に同一の内容の申出が行われていたときその他の通知しないことについて正当な理由があるときは、この限りでない。
if it has taken measures for preventing transmission of violating information in response to the request: that fact;
当該申出に応じて侵害情報送信防止措置を講じたとき その旨
if it has not taken measures for preventing transmission of violating information in response to the request: that fact and the reason therefor.
当該申出に応じた侵害情報送信防止措置を講じなかったとき その旨及びその理由
Notwithstanding the main clause of the preceding paragraph, a large-scale specified telecommunications service provider need only, if it falls under any of the following items, notify the person making the request of the matters specified in the relevant items of that paragraph for the categories set forth in the items of that paragraph, without delay after determining whether to take measures for preventing transmission of violating information based on the results of the investigation under Article 23. In this case, it must notify the person making the request, within the period specified by Order of the Ministry of Internal Affairs and Communications under that paragraph, of which of the following items it falls under (and, if it falls under item (iii), that fact and the content of the unavoidable reason).
前項本文の規定にかかわらず、大規模特定電気通信役務提供者は、次の各号のいずれかに該当するときは、第二十三条の調査の結果に基づき侵害情報送信防止措置を講ずるかどうかを判断した後、遅滞なく、同項各号に掲げる区分に応じ、当該各号に定める事項を申出者に通知すれば足りる。この場合においては、同項の総務省令で定める期間内に、次の各号のいずれに該当するか（第三号に該当する場合にあっては、その旨及びやむを得ない理由の内容）を申出者に通知しなければならない。
if it has decided to hear the opinion of the sender of the violating information for the purpose of the investigation under Article 23;
if it has decided to have the investigation under Article 23 conducted by an investigation specialist;
if, in addition to the cases set forth in the preceding two items, there is an unavoidable reason.
前二号に掲げる場合のほか、やむを得ない理由があるとき。