Can I use these records for supplier due diligence?

Yes, RegBase is designed for initial screening and cross-border compliance workflows, but every English record should be verified against the original Japanese government disclosure before a legal, credit, or onboarding decision.

Telecommunications Business Act Enforcement Actions in Japan

Q: What are Telecommunications Business Act enforcement actions?

They are public administrative actions issued by Japanese authorities against companies or operators for violations of the Telecommunications Business Act. Records can include orders, recommendations, business suspensions, or surcharge payment orders depending on the statute.

Browse Japanese administrative enforcement actions issued under the Telecommunications Business Act. RegBase structures company names, action types, penalties, issuing authorities, and source links for compliance due diligence on Japanese counterparties.

Useful for long-tail searches such as "Telecommunications Business Act violations Japan", "Japanese company Telecommunications Business Act enforcement record", and "Japan administrative order database".

2 Japanese enforcement records

Japanese version

Date	Company	Law	Action	Penalty	Authority
31 Jul 2026	LINEヤフー株式会社 The Ministry of Internal Affairs and Communications issued a written administrative guidance to LINE Yahoo Corporation on July 31, 2026, regarding the leakage of specific user information. Treenod Inc., responsible for developing and operating the LINE Game app, transmitted user identifiers without approval or notification, resulting in approximately 8.03 million leaks over four years.	Telecommunications Business Act	指導	-	Ministry of Internal Affairs and Communications
29 Jul 2026	KDDI株式会社 The Ministry of Internal Affairs and Communications issued a written administrative guidance to KDDI Corporation regarding a leak of communication secrets involving email system breaches affecting approximately 7.62 million users, requiring measures to ensure the protection of communication confidentiality and reporting on implementation.	Telecommunications Business Act	Directive	-	Ministry of Internal Affairs and Communications

Issuing authorities

Ministry of Internal Affairs and Communications2

Action types

指導1
Directive1

Compliance note

English labels and summaries are provided for search and screening support. The original Japanese government disclosure linked from each record is the authoritative source.