事業承継 (jigyou shoukei) — Japan business-succession framework and 事業承継税制 inheritance / gift-tax deferral (法人版 / 個人版)

Wiki route

This entry sits under corporate-strategy INDEX and routes into finance INDEX for the deal-side overlay. It covers the owner-transition problem that sits behind much Japanese restructuring. Read it with holding-company conversion (a common pre-succession reorganization), Japan Kaisha Bunkatsu Tax Regime for carving a business ahead of a handover, and Japan MBO / squeeze-out process for the management-buyout route when no family or internal successor exists.

TL;DR

事業承継 (jigyou shoukei, business succession) is the transfer of both ownership and management of a company from one generation (or owner) to the next. In Japan it is a first-order economic problem: a large cohort of SME founders has reached retirement age, and many firms face closure not from insolvency but from a lack of a successor (後継者不在).

Three succession routes exist:

1. 親族内承継 (family-internal) — to a child or relative.
2. 親族外承継 / 役員・従業員承継 (internal non-family) — to a manager or employee, often via a management buyout (MBO).
3. M&A (third-party) — sale to an external acquirer when no internal successor exists.

The central tax obstacle in routes 1 and 2 is that transferring non-listed shares (非上場株式) triggers inheritance tax (相続税) or gift tax (贈与税) on shares that are illiquid and often highly valued — the heir can owe large tax on stock that cannot easily be sold to pay it. To solve this, Japan created the 事業承継税制 (business-succession tax system): a regime that defers, and ultimately can exempt, the inheritance / gift tax on qualifying non-listed shares, anchored in the 経営承継円滑化法 (Act on Facilitation of Succession of Management of SMEs).

The regime has two tracks:

• 法人版事業承継税制 (corporate version) — for shares of a non-listed company.
• 個人版事業承継税制 (individual version) — for the business assets of a sole proprietor (個人事業者).

Each has a 一般措置 (general measure) and a more generous 特例措置 (special measure).

1. The Succession Problem and the Three Routes

Sources: this route classification follows the SME Agency’s current business-succession support map; the table is a navigation summary, not a statement that every internal succession uses an MBO or every third-party succession uses the same legal form. ^[Sources: https://www.chusho.meti.go.jp/zaimu/shoukei/business_succession_support_measures.html; https://www.chusho.meti.go.jp/pamflet/hakusyo/2025/chusho/b1_1_9.html.]

When an internal successor exists, the binding constraint is usually tax on the share transfer, which is exactly what the 事業承継税制 targets. When none exists, the company typically routes to M&A — using the divestiture mechanisms mapped in the spinoff decision tree or an outright sale, with acquirer funding drawn from Japan acquisition finance.

2. 法人版事業承継税制 (Corporate Version)

The corporate version lets a successor who acquires non-listed company shares by gift or inheritance defer the gift / inheritance tax on those shares, with eventual exemption when the next succession occurs or on the death of the predecessor / successor, subject to ongoing conditions.

一般措置 vs 特例措置

Sources: the comparison is from the NTA’s current business-succession-tax overview and the SME Agency’s official comparison of the general and special measures. It states the high-level limits only; certification, filing, continued-holding, management, and exemption conditions remain transaction-specific. ^[Sources: https://www.nta.go.jp/publication/pamph/jigyo-shokei/index.htm; https://www.chusho.meti.go.jp/zaimu/shoukei/shoukei_enkatsu_zouyo_souzoku.html; https://www.chusho.meti.go.jp/zaimu/zeisei/pamphlet/shoukei_zeisei_jirei.pdf.]

The 特例措置 is the headline regime: it can defer 100% of the gift / inheritance tax on qualifying shares, removing the “tax on illiquid stock” trap almost entirely — provided the company keeps operating and the successor keeps the shares and management role.

Eligibility skeleton (high level)

• Company must be a non-listed SME (中小企業者) under the SME Basic Act and not an asset-management company (資産保有型 / 資産運用型会社) in the disqualifying sense.
• The transfer must run through the 経営承継円滑化法 certification (都道府県知事の認定).
• The 特例措置 additionally requires a 特例承継計画 (special succession plan) confirmed by the prefectural governor before the succession, within the statutory filing window.

Filing-window timing (FY2026 reform)

Per the FY2026 (令和8年度) tax-reform outline, the 特例承継計画 filing deadline was extended: for the corporate version to 2027-09-30 (令和9年9月30日). (The individual version plan deadline was extended further, to 2028-09-30.) Critically, the actual succession (the gift or inheritance) must still occur by 2027-12-31 (令和9年12月31日) to use the 特例措置 — the plan extension does not move the succession deadline. Because deadlines shift with each annual reform, confirm current dates against the NTA / 中小企業庁 before relying on them.

3. 個人版事業承継税制 (Individual Version)

The individual version is the parallel regime for sole proprietors (個人事業者): instead of shares, it defers gift / inheritance tax on specified business assets (特定事業用資産) — land, buildings, and depreciable business assets used in the proprietor’s business — when the business is handed to a successor.

• Requires an 個人事業承継計画 filed under the 経営承継円滑化法.
• Interacts with the 小規模宅地等の特例 (small-business land valuation reduction) — the two cannot generally be stacked on the same land, so route selection matters.
• The plan-filing deadline was extended (per the FY2026 reform) to 2028-09-30.

4. Reorganization Often Precedes Succession

Owner-managed firms frequently restructure first, then hand over, because a cleaner structure makes the succession (and the tax) more manageable:

• 持株会社化 ahead of succession — interposing a holding company can concentrate voting control in the successor, separate operating risk, and reshape the share base before the transfer. The conversion mechanics are in holding-company conversion; the HoldCo can then be the vehicle whose shares pass under the 事業承継税制.
• 会社分割 to separate keep-vs-sell businesses — split a multi-business company so the successor inherits the core while a non-core unit is sold or wound down. The split mechanics, including automatic employee transfer, are in Japan Kaisha Bunkatsu Tax Regime.
• MBO when no family successor — a manager / employee buys the company, typically with leverage; the structure and financing sit in the MBO / squeeze-out process and leveraged-buyout economics.

5. Strategic Reading

• The tax is the gating item for family succession: without the 事業承継税制, an heir can face large inheritance tax on shares that throw off little cash and cannot easily be sold — a classic forced-sale or forced-borrowing trap. The 特例措置’s 100% deferral is what makes orderly family succession viable for many SMEs.
• Deferral is conditional, not free: the deferred tax can be clawed back if continuation conditions break (e.g., the successor disposes of the shares, the company stops operating, or — under the general measure — employment falls below the threshold without justification). It is a long-tail commitment, not a one-time exemption.
• “No successor” is the real driver of Japan SME M&A: the same demographic gap that powers the succession-tax regime also feeds third-party M&A volume, linking this entry to the deal pipeline in finance and the operating-company cases in the strategic-restructuring matrix.
• Policy finance is part of the toolkit: public lenders and credit-guarantee bodies offer succession-specific finance for successors funding a buy-in — the institutions are catalogued in policy-finance INDEX.

6. Counterpoints and Caveats

• Deadlines are moving targets: the 特例措置 plan-filing and succession deadlines have been extended repeatedly by annual reforms; treat any specific date here as needing fresh confirmation against NTA / 中小企業庁 sources.
• Disqualification risk: asset-holding / asset-management companies are designed out of the regime; structures that look like passive investment vehicles may not qualify.
• Continuation burden: the regime presumes genuine ongoing operation and retained management — it is unsuited to a successor who plans a near-term sale.
• Not a substitute for valuation discipline: deferring tax does not fix an over-concentrated or poorly governed cap table; pairing succession with a HoldCo conversion or partial restructuring is common for good reason.

Related

• corporate-strategy INDEX
• holding-company conversion
• Japan Kaisha Bunkatsu Tax Regime
• Japan Kabushiki Koukan Iten Regime
• spinoff decision tree Japan
• Japan MBO / squeeze-out process
• Japan leveraged-buyout economics
• Japan acquisition finance
• finance INDEX
• policy-finance INDEX
• Japan listed-corp strategic-restructuring matrix
• FinWiki index

Sources

• 国税庁 No.4148「非上場株式等についての相続税の納税猶予及び免除の特例等（法人版事業承継税制）」: https://www.nta.go.jp/taxes/shiraberu/taxanswer/sozoku/4148.htm
• 国税庁「法人版事業承継税制」パンフレット: https://www.nta.go.jp/publication/pamph/jigyo-shokei/houjin.htm
• 中小企業庁「法人版事業承継税制（特例措置）」: https://www.chusho.meti.go.jp/zaimu/shoukei/shoukei_enkatsu_zouyo_souzoku.html
• METI 経済法制 policy portal: https://www.meti.go.jp/policy/economy/keiei_innovation/keizaihousei/
• 中小企業庁「経営承継円滑化法による支援」（中小企業における経営の承継の円滑化に関する法律, Act No. 33 of 2008 — 都道府県知事認定 / 申請マニュアル）: https://www.chusho.meti.go.jp/zaimu/shoukei/shoukei_enkatsu.html

---

[!info] 校核状态 confidence: likely. Regime structure (法人版 / 個人版, 一般措置 / 特例措置, 100% deferral under the special measure, 経営承継円滑化法 base) is confirmed against NTA and 中小企業庁. Deadlines move with each annual tax reform — the FY2026-reform plan-filing extensions (corporate 2027-09-30, individual 2028-09-30; succession deadline 2027-12-31) should be re-confirmed before reliance. Specific eligibility is case-specific; consult a tax professional.