Code vs Guideline: when METI's CGS, GGS, Fair-M&A and Takeover Guidelines override the Code

TL;DR - The Corporate Governance Code is the FSA/JPX rulebook; the CGS, GGS, Fair-M&A and Takeover Guidelines are METI's parallel, non-binding interpretive layer. - METI guidelines are not part of comply-or-explain, but Japanese D&O insurers, proxy advisers and stewardship-active investors treat them as benchmark interpretations of board duty. - Where the Code and a METI guideline both speak to an issue, the Code sets the disclosure floor and the METI guideline sets the procedural detail. In some specific areas — listed-subsidiary governance, MBOs, hostile bids — METI's text is the operative one.

Two regulators, one governance system

Japan has two regulators in the governance space, and they speak in different registers.

The Financial Services Agency (FSA), working with the Tokyo Stock Exchange, owns the Corporate Governance Code and the Stewardship Code, the two soft-law instruments that operate through comply-or-explain at the line-item level. Their constituency is listed companies and their institutional investors. Their disclosure vehicle is the Corporate Governance Report filed against the TSE listing contract.

The Ministry of Economy, Trade and Industry (METI), by contrast, owns the Practical Guidelines family. METI's constituency is Japanese corporations more broadly — listed and unlisted — and METI publishes through study-group reports that carry no comply-or-explain obligation. But METI guidelines do something the Code does not: they translate principles into procedural detail. They tell boards how to run a CEO succession plan, how to constitute a special committee for an MBO, how a parent board should review whether a subsidiary should remain listed.

Sidebar — Why two regulators? The functional division reflects the legal architecture. The Code regulates listed-company disclosure, which is the FSA's remit under the Financial Instruments and Exchange Act and the TSE's listing contract. METI guidelines speak to board behaviour and corporate-governance design, which sit closer to the Companies Act (jurisdictionally under the Ministry of Justice) but where METI has traditionally been the policy-development lead. The result is a deliberate two-channel system: FSA/JPX for disclosure; METI for managerial process.

The four METI guideline families

flowchart LR
    METI["METI Practical Guidelines<br/>(non-binding, no comply-or-explain)"]
    CGS["<b>CGS Guidelines</b><br/>2017 / 2018 / 2022<br/>Board design,<br/>nomination, comp,<br/>CEO succession"]
    GGS["<b>GGS Guidelines</b><br/>2019<br/>Group governance,<br/>listed subsidiaries,<br/>parent-board duty"]
    FairM["<b>Fair M&A Guidelines</b><br/>2019<br/>MBOs &<br/>controlling-shareholder<br/>acquisitions"]
    Take["<b>Guidelines for<br/>Corporate Takeovers</b><br/>2023<br/>(supersedes 2005/2008<br/>Takeover Defense Guidelines)"]
    METI --> CGS
    METI --> GGS
    METI --> FairM
    METI --> Take

1. CGS Guidelines (Practical Guidelines for Corporate Governance Systems)

First published March 2017 by METI's Corporate Governance System (CGS) Study Group, revised in September 2018 and again in July 2022. The CGS Guidelines frame the design of board structure, nomination, remuneration and the role of outside directors as a governance system rather than a checklist. The 2018 revision integrated the 2018 Code changes and elaborated on CEO succession. The 2022 revision spun out the appendices on nomination, compensation and succession into a separate document — "Guidelines for Nomination and Compensation Committees and Succession Planning" — and restructured the main CGS Guidelines around the synergistic strengthening of executive and monitoring functions (rather than monitoring alone).

2. GGS Guidelines (Practical Guidelines for Group Governance Systems)

Published 28 June 2019, addressing listed companies that run subsidiaries. The GGS Guidelines focus on group design (centralisation vs decentralisation), internal-control rollout across subsidiaries, governance of listed subsidiaries (special committees, conflict-of-interest management), and the parent-board obligation to "keep under review whether it is optimal" to keep a subsidiary listed. That last point is the principal regulatory nudge against the legacy Japanese listed-subsidiary structure, and it has been quoted in virtually every major listed-subsidiary take-private since 2020.

3. Fair M&A Guidelines

Published 28 June 2019 (English version released 20 September 2019). The Fair M&A Guidelines are a complete rewrite of METI's 2007 MBO Guidelines, extending scope to acquisitions by controlling shareholders of controlled subsidiaries as well as MBOs of listed companies. The centrepieces are: a mandatory special committee of independent persons, market checks, majority-of-minority approval as a recommended practice, and full disclosure of fairness opinions. Although the document is non-binding, the special-committee structure has become effectively mandatory market practice — D&O insurers and proxy advisers treat its absence as a flag in any MBO or related-party acquisition.

4. Guidelines for Corporate Takeovers

Published August 2023, superseding the 2005 Takeover Defense Guidelines (jointly issued by METI and the Ministry of Justice) and the June 2008 Corporate Value Study Group report. The 2023 document represents the most significant reframing of takeover policy in Japan in twenty years: it addresses bona fide hostile bids and the duty of target boards, explicitly removing the assumption that hostile bids are presumptively destructive. The 2005/2008 documents focused on pre-bid takeover defence measures (poison pills); the 2023 document focuses on the target-board duty in the face of an unsolicited offer. Covered in detail in Theme 5.4.

The Code-vs-Guideline matrix

For four core governance topics, the table below shows what the Code says and what the corresponding METI guideline adds.

How the two layers fit together

In practice, four patterns recur in Japanese governance practice:

1. The Code sets the floor, the Guideline sets the procedure. For CEO succession, the Code says "do it"; the CGS Guidelines tell you how.
2. Where the Code is silent, the Guideline is operative. For MBOs and listed-subsidiary buyouts, the Code does not speak; the Fair M&A Guidelines effectively govern the process.
3. Stewardship investors quote both. Engagement letters routinely cite the Code Principle and the METI Guideline together. ISS and Glass Lewis policy benchmarks reference both.
4. D&O insurers treat both as the duty-of-care standard. When a board is sued over an MBO process or a listed-subsidiary buyout, the procedural test the court (and the insurer) will apply is the Fair M&A Guidelines / GGS Guidelines template — even though the documents are non-binding.

Sidebar — "Non-binding" is misleading A METI guideline carries no legal sanction. But the absence of a sanction does not mean the absence of consequence. The combination of (i) proxy-adviser policy quoting the guideline, (ii) D&O insurer risk-pricing referencing it, and (iii) the court-of-corporate-opinion treating it as the procedural benchmark means that, in real-world terms, the guideline binds in ways the Code's comply-or-explain mechanic does not. The Code can be explained against; a Fair M&A Guidelines departure cannot easily be explained against — it is read as a process failure.

Quotable Guideline text

From the GGS Guidelines on listed subsidiaries:

"The parent company should periodically review whether it is optimal to retain its listed subsidiary in light of group strategy and the protection of the listed subsidiary's minority shareholders." — METI Practical Guidelines for Group Governance Systems (June 2019)

From the Fair M&A Guidelines on special committees:

"In M&A transactions in which a structural conflict of interest exists between the target company's management and its general shareholders, the establishment of a special committee composed of independent directors and outside experts is a fundamental measure to ensure procedural fairness." — METI Fair M&A Guidelines (June 2019)

The new METI documents (post-2023)

Two further METI documents now sit alongside the four core guidelines. The Guidelines for Corporate Takeovers (August 2023) has already been mentioned. METI has also been publishing study-group reports on cross-shareholdings, on MBOs by parties including private equity, and on board-led capital efficiency in coordination with the FSA's Action Programmes (covered in Theme 4.5). For an IR rep, the practical reading list expands beyond the four core guideline families to the Corporate Value Study Group and CGS Study Group report series — both are published in English on the METI Corporate Governance page.

What this means for IR

1. Maintain both a Code and a Guideline reading list. The Code alone is not enough; the METI guidelines tell you what the procedural floor actually is on the issues — CEO succession, listed subsidiaries, MBOs, hostile bids — that draw the most engagement and litigation.
2. In any related-party-transaction situation, read Fair M&A Guidelines first. If your company is or might be a target of an MBO, a controlling-shareholder buyout, or a transformative related-party transaction, the Fair M&A Guidelines template is the procedural baseline you will be benchmarked against — by proxy advisers, by activist investors, and by the court of public opinion.
3. If you have a listed parent or a listed subsidiary, the GGS Guidelines are non-optional reading. The "review whether listing is optimal" obligation is the single most-cited regulatory line in the listed-subsidiary take-private wave of 2023–2026.
4. Track METI study-group outputs alongside FSA Action Programmes. The FSA's Follow-up Council and the METI study groups co-evolve. Reading both in parallel gives you a year of lead time on what the next Code revision is likely to address.
5. In investor dialogue, cite the Code line first and the Guideline line second. Investors expect that pattern. The Code anchors disclosure; the Guideline anchors process. Citing both signals procedural fluency in the Japanese governance system.

Sources & further reading

• METI — Corporate Governance landing (English): https://www.meti.go.jp/english/policy/economy/corporate_governance/index.html
• METI — CGS Guidelines revision (July 2022 announcement): https://www.meti.go.jp/english/press/2022/0719_002.html
• METI — CGS Study Group Interim Report (2018): https://www.meti.go.jp/english/press/2018/0518_002.html
• METI — Fair M&A Guidelines (English PDF, 2019): https://www.meti.go.jp/policy/economy/keiei_innovation/keizaihousei/pdf/fairmaguidelines_english.pdf
• METI — Guidelines for Corporate Takeovers (August 2023 announcement): https://www.meti.go.jp/english/press/2023/0831_001.html
• METI — Original Takeover Defense Guidelines (2005, Japanese): https://www.meti.go.jp/policy/economy/keiei_innovation/keizaihousei/pdf/shishin_hontai.pdf
• METI — Takeover Defense Measures in Light of Recent Environmental Changes (June 2008): https://www.meti.go.jp/policy/economy/keiei_innovation/keizaihousei/pdf/080630TakeoverDefenseMeasures.pdf

Cross-references

Next in this theme: Theme 2 is complete. Continue to Theme 3 — Market Restructuring: The Stage Is Set.

Related posts in other themes: - Post 1.4 — The Two Wheels of the Cart: Japan's Stewardship Code (the FSA-side counterpart to the Code) - Post 5.3 — The Toyota Industries Deal Is the End of Keiretsu, in One Transaction (the most consequential application of the GGS Guidelines template to date) - Post 5.4 — Hostile Is No Longer a Slur: METI's 2023 Guidelines for Corporate Takeovers (the deep-dive on the 2023 takeover guidelines)