System Interface Requirements for arrowhead is published on the Target site as Notification for responsible person category.
For the location of the latest version, please see "Latest Documents List".

[How to search Latest Documents List]
1. Go to Target JPX site.
URL: https://portal.arrowfront.jp/target/x/tsebps/webportal/top.html
* The URL starts with "http:" if accessing Target via arrownet.

2. Click "Search document" tab at the top bar.

3. Select "Information from JPX".

4. Please set searching conditions as below and click "Search".
Date/time announced: Any date you can write.
Keyword: Please write "Latest Documents List" after putting a tick "Title search".