1. Introduction

Administrative transparency is a fundamental principle of good governance in Japan's energy sector. It requires government ministries, regulatory authorities, and other public institutions to make energy-related decisions through procedures that are understandable, evidence-based, accountable, and open to appropriate public scrutiny.

Energy decision-making in Japan is particularly important because the country faces several interconnected challenges:

Ensuring a stable and affordable supply of electricity.

Regulating nuclear power plants after the Fukushima Daiichi nuclear accident of March 2011.

Promoting renewable energy, including solar, wind, and geothermal power.

Maintaining electricity-market competition and preventing abuse of market power.

Reducing greenhouse-gas emissions while preserving energy security.

Protecting public health, the environment, and local communities affected by energy infrastructure.

Transparency is therefore more than the publication of government documents. It also concerns how decisions are made, what evidence supports them, whether affected persons can participate, how conflicts of interest are disclosed, and whether decisions can be challenged through legal procedures.

Japan does not have one comprehensive statute governing all aspects of energy transparency. Instead, transparency is shaped by administrative law, information-disclosure legislation, public-comment procedures, environmental legislation, nuclear regulation, electricity-market regulation, and judicial review.

2. Meaning and scope of administrative transparency

Administrative transparency means that public authorities disclose relevant information about their activities and provide sufficient explanations for significant decisions, subject to lawful restrictions such as national security, personal privacy, and protected commercial information.

In energy governance, transparency operates at five principal levels.

1. Legal transparency

Laws, ministerial ordinances, regulatory standards, licensing requirements, and policy rules should be publicly accessible and sufficiently clear.

2. Informational transparency

Authorities should disclose relevant reports, inspection results, energy statistics, environmental assessments, and the grounds for administrative decisions, subject to legal exceptions.

3. Participatory transparency

Citizens, businesses, experts, and affected communities should have appropriate opportunities to comment on proposed rules and major projects.

4. Reason-giving and procedural transparency

Administrative bodies should explain the factual and legal basis of decisions, particularly when safety, environmental protection, market access, or individual rights are affected.

5. Accountability transparency

Decisions should be capable of scrutiny by courts, legislative institutions, audit bodies, and other authorized oversight mechanisms.

These dimensions are related but distinct. Publishing a policy document, for example, does not necessarily establish that affected communities had a meaningful opportunity to influence the decision.

3. Constitutional and statutory foundations

A. Constitution of Japan

The Constitution provides the broader legal foundation for transparent administration, even though it does not contain a single, express constitutional right to all government information.

Article 21 — Freedom of expression and access to information

Article 21 protects freedom of speech, press, and other forms of expression and prohibits censorship. Japanese constitutional and administrative-law scholarship connects these guarantees with the public's ability to obtain information needed to scrutinize government activity.

However, Article 21 should not be treated as an unlimited, independently enforceable right to every government document. Specific disclosure entitlements are principally established through legislation.

Article 31 — Due process

Article 31 provides that no person shall be deprived of life or liberty, or subjected to criminal punishment, except according to procedure established by law. Its direct application is most explicit in criminal matters, so it should not automatically be equated with a general administrative due-process clause covering every energy decision.

Nevertheless, procedural fairness is important when administrative action seriously affects legally protected interests.

Article 32 — Access to courts

Article 32 guarantees access to the courts. In energy regulation, judicial review is particularly important when a public authority makes a legally reviewable decision affecting a person's rights or legally protected interests.

Article 41 — Legislative authority

Article 41 establishes the Diet as the highest organ of state power and the sole law-making organ of the State. It supports the principle that important regulatory choices should have an adequate statutory basis rather than depend entirely on informal administrative discretion.

Legal significance: These constitutional provisions establish a framework for public scrutiny, legality, and access to judicial remedies. They do not mean that every energy-policy decision must be approved by a court or subjected to a public hearing.

B. Act on Access to Information Held by Administrative Organs, 1999

The Act on Access to Information Held by Administrative Organs (行政機関の保有する情報の公開に関する法律) is one of the principal statutes governing informational transparency in Japan's central administration.

It allows eligible requesters to seek disclosure of administrative documents held by covered public bodies, subject to statutory exclusions.

Its significance for energy governance includes requests for:

Nuclear safety inspection documents and regulatory correspondence.

Records of energy-policy committees and expert advisory meetings.

Electricity-market investigations and regulatory reports.

Documents relating to energy subsidies and public expenditure.

Government studies concerning nuclear power, renewables, and energy security.

Records concerning the formulation of energy plans and regulations.

Limits on disclosure: The Act contains exceptions for categories such as information concerning national security, confidential business information, personal information, and certain internal or deliberative information. The precise scope depends on the applicable statutory provision and the circumstances of the document.

Consequently, a requester does not automatically obtain every document simply because it concerns an important public issue.

A refusal may be challenged through the applicable administrative review procedures and, where legally available, judicial proceedings.

C. Administrative Procedure Act, 1993

The Administrative Procedure Act (行政手続法) is central to transparency in administrative rulemaking.

Its important features include:

Procedures for establishing administrative rules.

Public-comment procedures for many proposed rules.

Requirements concerning the granting of certain administrative dispositions.

Requirements relating to adverse dispositions and administrative guidance.

Public comments: Under Article 39 and related provisions, administrative organs generally must publicly announce proposed administrative rules and provide an opportunity for comments, subject to statutory exceptions and applicable procedural requirements.

Article 42 requires administrative organs to consider submitted opinions, while Article 43 provides for publication of the results of the procedure, including the opinions received and the administrative organ's consideration of them.

These procedures matter when Japan's energy authorities formulate ministerial ordinances, technical standards, or other covered administrative rules affecting electricity suppliers, renewable-energy operators, and regulated facilities.

Important limitation: Public-comment procedures do not ordinarily give commenters a veto. Authorities retain decision-making responsibility but must comply with the applicable legal procedure.

D. Administrative Case Litigation Act

The Administrative Case Litigation Act (行政事件訴訟法) provides judicial remedies against certain administrative actions and inaction.

Its relevance to transparency is indirect but significant: disclosure of the legal and factual basis of a decision can help affected persons assess whether they have grounds to challenge it.

Under this Act, judicial review depends on matters such as the type of administrative action, standing, legal interest, and the requirements for the particular form of action. Not every government energy policy or political decision is independently challengeable in court.

E. Environmental legislation

The Environmental Impact Assessment Act (環境影響評価法) provides procedures for assessing and disclosing environmental effects of specified projects, including certain electricity-generation and other energy infrastructure projects.

Depending on the project's classification and applicable procedures, environmental impact assessment can involve:

Preparation and disclosure of environmental assessment documents.

Public inspection of documents.

Submission of public opinions.

Consideration of local environmental concerns.

Consultation with relevant authorities.

Final assessment documentation and associated procedures.

This is especially important for wind farms, thermal power stations, transmission infrastructure, and other projects with potentially significant environmental impacts.

Not every renewable-energy installation falls within the same assessment requirements. The applicable procedure depends on the project's type, scale, location, and relevant legal thresholds.

4. Institutional framework for transparency in Japan's energy sector

Several institutions have different responsibilities. Understanding this division is essential because energy policy, technical safety regulation, environmental assessment, and electricity-market oversight are not performed by a single authority.

Ministry of Economy, Trade and Industry (METI)

Develops energy policy, administers important energy-related laws, and oversees electricity-market policy. Transparency issues include the publication of policy proposals, regulatory standards, advisory-committee records, and supporting studies.

Nuclear Regulation Authority (NRA)

Independently regulates nuclear safety within its statutory mandate. It publishes regulatory meeting materials, minutes, and numerous regulatory documents. It also provides an information-disclosure process under the national information-disclosure framework.

National Rehabilitation Agency

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Ministry of the Environment

Administers environmental policy and relevant environmental assessment frameworks. Transparency is important in the assessment of ecological effects, pollution risks, and the environmental consequences of energy projects.

Electricity and Gas Market Surveillance Commission (EGC)

Monitors aspects of electricity and gas markets, including competition and market conduct within its statutory functions. Transparency helps consumers and market participants understand regulatory investigations and market rules.

Courts and review institutions

Courts determine the legality of reviewable administrative actions and relevant civil claims. Administrative review bodies and the Information Disclosure and Personal Information Protection Review Board can also play roles in disputes over access to information.

The institutional division creates a transparency challenge: the body promoting an energy policy may not be the same body responsible for regulating safety. Effective transparency therefore requires clarity about each institution's legal authority, evidence, responsibilities, and reasons for its decisions.

5. Case laws and judicial decisions

A crucial distinction must be maintained in legal research: a case concerning the legality of a nuclear-power decision is not necessarily a case establishing a right to administrative transparency. The following cases are relevant because they illuminate the relationship between energy regulation, public safety, government accountability, and judicial scrutiny. Their holdings should not be overstated as direct precedents under the Information Disclosure Act.

Case 1. Supreme Court of Japan — Fukushima nuclear accident and state regulatory liability

Supreme Court decision

Case: Fukushima nuclear accident — state liability for failure to exercise regulatory authority

Date: 17 June 2022

Court: Supreme Court, Second Petty Bench

Official case number: 2021 (Ju) No. 342

Official source: Supreme Court of Japan — judgment and case summary.

Supreme Court of Japan

Facts

The Fukushima Daiichi nuclear accident followed the earthquake and tsunami of 11 March 2011. The tsunami flooded critical facilities, caused loss of electrical power, and contributed to the nuclear disaster and the release of radioactive material.

Residents and other affected persons brought claims against the State and the plant operator. The state-liability dispute concerned whether the responsible minister should have exercised regulatory authority under the Electricity Business Act, as it stood before the relevant amendment, to require measures against tsunami risk.

Legal issue

Could the State be held liable under Article 1(1) of the State Redress Act for failing to exercise its regulatory authority to prevent the accident?

Holding

The Supreme Court concluded, under the circumstances identified in its judgment, that the necessary causal relationship had not been established. It held that the State was not liable on the particular regulatory-inaction basis advanced in that case. The decision should not be read as a general ruling that the State can never be liable for failures in nuclear regulation.

Supreme Court of Japan

Connection with administrative transparency

The decision is relevant to transparency for three reasons:

Risk information: Major energy decisions depend on scientific assessments of earthquakes, tsunamis, and other foreseeable hazards.

Regulatory reasoning: The public needs to understand how authorities evaluate technical evidence and decide whether additional protective measures are necessary.

Accountability: Transparent records can help establish what information was available to officials, what action was legally possible, and how risks were assessed.

The decision does not itself create a general duty to publish every regulatory document. Its importance is that it illustrates the legal and practical consequences of decisions about risk assessment and regulatory inaction.

Case 2. Osaka District Court — Ohi nuclear reactors injunction

Case: Ohi Nuclear Power Plant, Units 3 and 4

Date: 21 May 2014

Court: Osaka District Court

Subject: Civil injunction against nuclear reactor operation

Facts

Residents sought an injunction to prevent the operation of Kansai Electric Power Company's Ohi Units 3 and 4. The dispute arose in the post-Fukushima context and focused on the risks associated with operating nuclear reactors.

Legal issues

The court considered nuclear safety and the protection of residents' rights, including whether the risks associated with reactor operation justified injunctive relief under the circumstances before it.

Decision

The Osaka District Court granted the requested injunction in May 2014. The decision was a lower-court civil judgment, not a Supreme Court ruling and not a judgment directly interpreting the Information Disclosure Act.

Relevance to transparency

The case is important to debates over energy decision-making because nuclear safety depends on technical assessments that the public must be able to scrutinize meaningfully.

Transparency concerns include:

Whether seismic and other hazard assumptions are adequately explained.

Whether emergency planning and evacuation risks are properly considered.

Whether the operator's safety claims are supported by reliable evidence.

Whether regulatory conclusions can be evaluated independently of the interests of the electricity supplier.

Legal qualification: This was a civil injunction case. It should be cited as an example of judicial scrutiny of nuclear safety, rather than as binding authority that all nuclear regulatory deliberations must be disclosed.

Case 3. Fukui District Court — Ohi nuclear reactors injunction

Case: Ohi Nuclear Power Plant

Date: 21 May 2014

Court: Fukui District Court

Subject: Injunction against operation of nuclear reactors

Facts and issues

The Fukui District Court also dealt with a nuclear-power injunction dispute in May 2014. It is particularly important to distinguish this proceeding from the Osaka District Court judgment discussed above: the two judgments involved different proceedings and should not be merged into a single case.

Relevance to transparency

The litigation illustrates the importance of giving affected persons a meaningful opportunity to contest safety assumptions and the adequacy of protective measures. Nuclear regulation involves complex scientific information, but technical complexity should not be a substitute for explaining the basis of a safety decision.

A careful legal analysis should examine the specific reasoning in the judgment being cited, the legal test applied, and the procedural history. It should not attribute a general administrative-disclosure holding to the court merely because the dispute concerned nuclear safety.

Case 4. Supreme Court — limits of judicial review of administrative action

Case: Supreme Court judgment concerning the distinction between legal disputes and administrative action

Date: 7 April 1981

Court: Supreme Court, Third Petty Bench

Reference: 1976 (O) No. 749

Official source: Supreme Court of Japan — judgment database.

Supreme Court of Japan

Principle

The Supreme Court explained the distinction between a legal dispute concerning specific rights or duties and a public authority's exercise of administrative power solely to secure the proper application of law or protect the public interest.

The judgment is relevant to understanding why not every disagreement with a government policy can be taken directly to court.

Application to energy governance

A citizen who objects to a national energy strategy may not automatically have a judicially enforceable claim simply because the policy affects the public interest. A viable case generally requires an appropriate legal cause of action, the relevant form of judicial review, and compliance with applicable standing and procedural requirements.

Transparency remains important because published reasons, accessible documents, and recorded procedures help people determine whether an administrative decision may be legally challenged. However, access to information and the right to bring a lawsuit are distinct legal questions.

Case 5. Information-disclosure decisions under the Act on Access to Information Held by Administrative Organs

Unlike the nuclear injunction cases, disputes about disclosure directly concern the legal balance between access to official records and statutory confidentiality.

The Nuclear Regulation Authority expressly operates a disclosure system under the Information Disclosure Act and publishes many nuclear-regulatory documents online. Its published materials include information about regulatory meetings, discussions with regulated entities, and other regulatory work.

National Rehabilitation Agency

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Typical legal dispute

A requester may seek documents concerning:

A reactor's safety assessment.

Communications between regulators and an electricity company.

Inspection findings and corrective measures.

Government expert-panel discussions.

Documents concerning the handling of nuclear risks.

The authority may disclose the documents fully, disclose them in part, or refuse disclosure under a statutory exception.

Legal principles

The legal analysis normally turns on:

Whether the requested material qualifies as an administrative document held by the relevant authority.

Whether any information falls within an applicable non-disclosure category.

Whether portions can be disclosed while protected material is redacted.

Whether the refusal is adequately grounded in the governing law.

Whether the requester has used the appropriate review or judicial remedy.

The NRA's guidance explains that requests can be made by persons and organizations, including foreign requesters, and that partial-disclosure or non-disclosure decisions can be challenged through the relevant review process.

National Rehabilitation Agency

Research note: For a case-law paper specifically about the Information Disclosure Act, it is important to identify and verify the exact court judgment, date, case number, statutory provision, and holding. The official NRA guidance establishes the administrative framework, but it should not be substituted for a judicial precedent.

Case 6. Supreme Court — procedural requirements in nuclear power plant regulation

Case: Nuclear power plant installation regulation

Court: Supreme Court of Japan

Official judgment database: Supreme Court of Japan — nuclear power plant regulation case.

Supreme Court of Japan

The judgment discussed constitutional arguments concerning nuclear power plant installation regulation. The appellants argued, among other things, that the Constitution required procedures for resident participation, disclosure of installation applications and examination materials, and clear quantitative safety criteria.

Legal significance: These arguments illustrate the constitutional questions that arise when energy infrastructure may expose residents to substantial risks. However, the arguments advanced by litigants must be distinguished from the legal propositions actually accepted by the court.

The case should not be cited as establishing an unconditional constitutional right to participate in every nuclear licensing procedure or to obtain all safety documentation. Rather, it is relevant to examining the relationship between constitutional guarantees, statutory regulatory procedures, and public access to technical information.

6. How transparency operates in actual energy decisions

The legal framework becomes clearer when applied to specific types of administrative decisions.

The NRA's disclosure framework is a practical example of transparency in operation. The Authority states that it publishes many regulatory documents and generally makes regulatory meetings and records available, while accepting formal requests for documents that are not already published.

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Example: a proposed nuclear reactor restart

Suppose an electricity company seeks to restart a nuclear reactor.

A transparent decision-making process should allow the public to identify:

The statutory standards governing the restart.

The technical assessments submitted by the operator.

The regulator's evaluation of earthquake, tsunami, and other hazards.

The findings of inspections and safety reviews.

The relevant meeting records and explanations of regulatory conclusions.

The applicable procedures for challenging the decision.

The legal question is not whether every technical record must be disclosed without exception. It is whether the authorities comply with applicable disclosure rules and provide sufficient procedural openness to permit meaningful scrutiny.

7. Public participation and administrative rulemaking

Japan's Administrative Procedure Act provides an important framework for public participation in the creation of administrative rules.

Under Articles 39–43, covered rulemaking procedures generally involve publication of the draft and related materials, an opportunity to submit opinions, consideration of submitted opinions, and publication of results. The ordinary minimum period for submitting comments is 30 days, subject to statutory exceptions and provisions allowing a shorter period in specified circumstances.

Japanese Law Translation

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For energy governance, these procedures may be relevant to proposed changes to:

Electricity-sector technical requirements.

Administrative standards governing energy businesses.

Certain licensing-related criteria established through covered administrative orders.

Rules concerning renewable-energy administration.

Safety-related administrative regulations.

A strong public-comment process should do more than collect opinions. It should enable interested persons to understand the proposal, identify its legal basis, evaluate the supporting evidence, and see how their comments were considered.

However, there are two important limits.

First, the public-comment procedure applies to covered administrative rules, not automatically to every individual permit, political decision, or policy announcement.

Second, authorities are not required to accept every comment. Their legal obligations concern compliance with the applicable procedure and proper consideration and publication of comments as required by law.

The official Japanese government public-comment portal provides information about this system. e-Gov: Public Comment Procedure.

8. Limits on administrative transparency

Transparency is not absolute. Japan's information-disclosure framework attempts to balance public accountability against legitimate competing interests.

A. National security and public safety

Energy infrastructure may contain sensitive information about nuclear facilities, physical security, vulnerabilities, and emergency-response arrangements.

Disclosure may lawfully be restricted where the relevant statutory requirements are satisfied. However, the mere fact that a document concerns nuclear energy should not automatically establish that the entire document must remain confidential.

B. Commercial confidentiality

Energy companies may possess commercially sensitive information relating to pricing, technology, contracts, and business strategy.

Authorities must apply the relevant statutory exceptions to the information in question. Where the law permits, partial disclosure or redaction can protect legitimate commercial interests while preserving public access to non-confidential material.

C. Internal deliberations

The Information Disclosure Act includes provisions concerning certain internal or inter-agency deliberative information where disclosure could create the specified risks to frank discussion or the neutrality of decision-making.

This can produce tension between two objectives:

Allowing officials and experts to exchange views candidly.

Enabling citizens to understand how important energy decisions were reached.

A sound approach distinguishes preliminary discussion from the final reasons, evidence, and conclusions supporting an administrative decision.

D. Personal information

Records may contain information identifying residents, complainants, employees, or other individuals. The law protects relevant personal information, while permitting disclosure where statutory conditions allow it.

E. Unequal access to technical knowledge

Even when scientific studies are publicly available, ordinary citizens may struggle to understand specialist reports about radiation, seismic modelling, electricity prices, or grid reliability.

Therefore, meaningful transparency requires accessible explanations, intelligible summaries, and clearly identified assumptions—not merely placing technical documents online.

9. Administrative remedies for failures of transparency

A person seeking energy-related information should distinguish between a request for documents, an objection to a disclosure decision, and a challenge to the underlying energy decision.

Identify the responsible authority.

Determine whether the records are held by METI, the NRA, another national authority, or a relevant local government.

Use the applicable disclosure procedure.

Describe the documents sought as precisely as possible, including the project, date range, inspection, meeting, or regulatory issue.

Examine the disclosure decision.

If disclosure is refused or restricted, identify the statutory exception relied upon and whether partial disclosure is possible.

Seek administrative review where available.

An eligible requester may challenge a refusal through the applicable review procedure. The NRA's published guidance describes review of partial-disclosure and non-disclosure decisions.

National Rehabilitation Agency

Consider judicial proceedings.

Where legally available, a requester may seek judicial review of a disclosure decision. Challenges to the underlying energy permit or regulatory action require a separate assessment of the available cause of action, standing, deadlines, and other procedural requirements.

An important distinction is that a successful challenge to a refusal to disclose information does not automatically invalidate the underlying energy permit. Likewise, a successful challenge to a permit does not necessarily establish that the authority violated the information-disclosure legislation.

10. Critical analysis: strengths and weaknesses of Japan's transparency framework

Strengths

1. Statutory access to government records. The Information Disclosure Act creates a formal process through which individuals and organizations can request administrative documents.

2. Procedural openness. Public-comment procedures give interested persons opportunities to express views on covered administrative rules.

3. Specialized regulatory disclosure. The NRA's publication of regulatory records provides an important example of proactive disclosure in a technically complex field.

National Rehabilitation Agency

4. Judicial accountability. Courts can review legally challengeable decisions and relevant claims, although judicial remedies depend on the applicable legal requirements.

5. Environmental participation. Environmental assessment procedures can bring local concerns and environmental evidence into the assessment of covered projects.

Weaknesses and continuing challenges

1. Fragmented legal framework. Information access, environmental participation, safety regulation, and administrative review are governed by different legal instruments.

2. Broad technical discretion. Energy decisions frequently require specialist judgments about uncertain risks. Explaining these judgments in a form the public can understand remains difficult.

3. Limits on access. Statutory exceptions and disputes over confidential information can prevent disclosure of records that citizens consider important.

4. Participation does not guarantee influence. A public consultation can comply with formal requirements without resolving the substantive concerns raised by residents.

5. Judicial review is not universal. A person cannot necessarily challenge every policy decision in court merely because it affects the public interest.

6. Transparency after accidents. The Fukushima disaster demonstrates why safety assumptions, risk forecasts, emergency planning, and the allocation of regulatory responsibilities require sustained scrutiny.

11. Recommendations for reform

Japan could strengthen transparency in energy governance through several practical measures.

Proactive publication: Publish more final technical assessments, inspection findings, regulatory correspondence, and explanations of important decisions.

Clearer reasons: Require decision documents to identify the governing legal provisions, relevant evidence, material uncertainties, and principal reasons for the outcome.

Better public consultation: Provide understandable summaries of proposed changes and publish substantive responses to major public concerns.

Stronger conflict-of-interest safeguards: Disclose relevant expert affiliations, financial interests, and meetings between regulators and regulated businesses, subject to appropriate privacy protections.

Improved document management: Maintain searchable digital records and clear retention policies for energy-policy and safety decisions.

More effective review: Ensure that refusals to disclose records can be reviewed through an accessible process and that statutory exceptions are applied to the specific information concerned.

Risk communication: Explain scientific uncertainty and alternative safety scenarios in language accessible to affected communities.

These are policy recommendations rather than a claim that every proposed measure is already mandated by Japanese law.

12. Conclusion

Administrative transparency is an essential element of lawful and accountable energy governance in Japan. The Constitution supplies broader principles of expression, legality, and access to courts, while the Information Disclosure Act, Administrative Procedure Act, environmental legislation, and sector-specific regulatory frameworks establish more concrete procedures.

The Fukushima nuclear accident and subsequent litigation demonstrate the importance of transparent risk assessment and effective regulatory accountability. The Supreme Court's 2022 decision on state liability illustrates that the legal consequences of regulatory inaction depend on the applicable statutory powers, the facts, and the requirements for causation. The Ohi nuclear injunction litigation illustrates the separate but related role of courts in examining nuclear safety disputes.

The central legal conclusion is that transparency does not mean unrestricted disclosure or a public veto over energy policy. It means that authorities must comply with applicable disclosure and participation rules, protect only legitimately confidential information, and make legally significant decisions open to appropriate scrutiny.

For Japan, effective energy transparency requires a combination of accessible information, reasoned administration, meaningful public participation, independent safety oversight, and effective legal remedies.

Selected primary legal sources and further reading

Japanese Law Translation Database

English translations of Japanese statutes, including administrative procedure and other relevant legislation.

Access translated Japanese legislation

Nuclear Regulation Authority — Information Disclosure

Official information about access requests, regulatory meeting records, and proactive publication.

NRA information-disclosure system

National Rehabilitation Agency

e-Gov Public Comment Portal

Official explanation of the public-comment procedure for administrative rulemaking.

Public-comment system

e-Govパブリック・コメント

Supreme Court of Japan

Official judgments and case summaries relevant to nuclear regulation and state liability.

Fukushima state-liability judgment, 17 June 2022

Supreme Court of Japan

Academic takeaway: For a rigorous legal dissertation, distinguish between direct precedents interpreting information-disclosure and public-comment laws and related nuclear-safety judgments. That distinction prevents the broader importance of transparency from being confused with the precise ratio decidendi of an individual case.