Rule amending installation and operation rules for commercial and R&D-stage power reactors
実用発電用原子炉の設置、運転等に関する規則及び研究開発段階発電用原子炉の設置、運転等に関する規則の一部を改正する規則
Published: 2025-05-27 · Source: e-Gov Law Search — Updated Laws · Stage: In Force · Area: Other · Impact (preliminary): Medium · First detected by this dashboard: 2026-08-22
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AI summary
Generated by AI from the Japanese source metadata. It is an unofficial monitoring aid, not legal advice, and may contain errors. The area, stage, and impact labels are preliminary keyword-based triage labels. Confirm every point in the original Japanese source.
Summary
Nuclear Regulation Authority Rule No. 4 of 2025 amends the rules on installation and operation of commercial power reactors (Ministry of International Trade and Industry Ordinance No. 77 of 1978) and the rules on installation and operation of research-and-development-stage power reactors. The metadata lists both promulgation and entry into force as 2025-05-27, but does not describe the amended provisions.
Business Impact
Operators of commercial power reactors and research-and-development-stage power reactors may be affected by changes to the rules governing reactor installation and operation; the specific operational implications cannot be determined from the supplied information.
Recommended Action
Review of the official Japanese source could clarify the amended provisions and any transitional arrangements affecting these reactor operators.
Timeline of related official records
Related official records are linked only when names and instrument numbers match exactly, so this timeline may be incomplete. Dates are as stated by the official sources. It is a monitoring aid, not legal advice; the original Japanese sources are authoritative.
- 2025-05-27 — Promulgated (instrument recorded by e-Gov Law Search) Original Japanese source
- 2025-05-27 — Effective date stated by e-Gov Law Search Original Japanese source