Based on the “Act on the Use of Numbers to Identify a Specific Individual in the Administrative Procedure” (hereinafter, “Number Act”), which took effect on May 24th, 2013 (promulgated on May 31st, 2013), the National Tax Agency assigns a Corporate Number to each corporation, and after notifying the subject corporation, publishes the number with the trade name or name and address of head office or principal place of business.

（上記　国税庁ＨＰより引用）