法令翻訳 http://www.japaneselawtranslat...amp;page=5

(社債権者の請求によらない社債原簿記載事項の記載又は記録)
第六百九十条   社債発行会社は、次の各号に掲げる場合には、当該各号の社債の社債権者に係る社債原簿記載事項を社債原簿に記載し、又は記録しなければならない。

Entering or Recording Information Required to Be Entered in the Bond Register without a Request from Bondholders
Article 690   In a case as provided in one of the following items, a Bond-Issuing Company must enter or record in the bond register the Information That Is Required to Be Entered in the Bond Register with respect to the bondholder referred to in that item: 一   当該社債発行会社の社債を取得した場合 (i)   in cases where the bondholders have acquired the Bonds of such Bond-Issuing Company; 二   当該社債発行会社が有する自己の社債を処分した場合 (ii)   in cases where the bondholders have disposed of own Bonds held by the Bond-Issuing Company.

前項の規定は、無記名社債については、適用しない。

The provisions of the preceding paragraph do not apply to any bearer bond. 一   当該社債発行会社の社債を取得した場合 (i)   in cases where the bondholders have acquired the Bonds of such Bond-Issuing Company; 二   当該社債発行会社が有する自己の社債を処分した場合 (ii)   in cases where the bondholders have disposed of own Bonds held by the Bond-Issuing Company.