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Japan's Lower House passes FIEA crypto bill: 20% flat tax, ETF path opens

On June 11, Japan's House of Representatives passed the FIEA amendment reclassifying crypto as financial instruments. Flat 20% tax (vs 55%), insider-trading ban, spot ETF path. Upper House next.

by 5 min read
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Japan's House of Representatives passed the FIEA amendment bill on June 11, 2026, moving cryptocurrency out of the Payment Services Act and into the Financial Instruments and Exchange Act — the same statute that governs equities and bonds. The bill is now with the House of Councillors for final passage. Primary reporting is from CoinDesk's policy desk on June 11; the Cabinet submitted the text to the Diet on April 10, 2026.

What the bill changes

Three structural moves stacked into one amendment:

  1. Regulatory home. Oversight of crypto assets moves from the Payment Services Act to the FIEA, the statute that governs listed securities. The Financial Services Agency (FSA) becomes the primary supervisor for trading conduct, disclosure, and market abuse.
  2. Spot crypto ETF path. Reclassification under the FIEA removes the statutory blocker that has kept Tokyo Stock Exchange-listed spot Bitcoin and Ether ETFs off the table since 2024. The bill does not authorize specific ETFs — it removes the legal ceiling.
  3. Tax reform. Capital gains on crypto move from the current progressive miscellaneous-income rate of up to 55% to a flat 20%, matching the treatment of equities and bond gains.

Numbers

- Bill:              FIEA amendment, submitted to Diet 2026-04-10
- Lower House vote:  passed 2026-06-11
- Next step:         House of Councillors (Upper House) — final passage
- Regulatory base:   Payment Services Act -> Financial Instruments and Exchange Act
- Tax rate:          up to 55% (progressive) -> 20% flat
- Tax effective:     fiscal year 2028 (FY2028)
- Other changes:     effective 2027
- Max prison (unregistered exchange operation): 3 years -> 10 years
- Max fine (unregistered exchange operation):   3M JPY -> 10M JPY
- Sources: CoinDesk policy desk; Cryptowisser; Coininsider; Bloomingbit

Insider trading, for the first time

The FIEA carries Japan's listed-securities insider-trading regime. The amendment imports it wholesale onto crypto. Per the FSA's own framing, company insiders and exchange staff with knowledge of unpublished material facts — listing decisions, hacks not yet disclosed, governance changes — will be barred from trading the affected tokens on the same lines as Section 166 of the FIEA covers equities. Disclosure obligations for token issuers tighten in parallel: unaudited token offerings face investment caps; ongoing reporting requirements come closer to those for listed stocks.

The unregistered-operation penalty hike — three to ten years' prison, JPY 3M to JPY 10M in fines — is the enforcement edge of the same change. Exchanges that have operated in Japan without an FSA crypto-asset business registration now face equity-grade criminal exposure rather than payments-rules sanctions.

Spot ETF mechanics

The FIEA reclassification is the legal precondition for spot crypto ETFs on the Tokyo Stock Exchange. Once crypto assets are "financial instruments" under the same definition as equities, futures, and bonds, an investment trust holding them is itself a regulated financial product the TSE can list. That clears the structural blocker, but does not equal an ETF approval — the FSA still has to authorize each fund, and the JPX has to admit it for listing. Both processes can begin once the Upper House passes the bill and the law takes effect (expected 2027 for most provisions, FY2028 for the tax change).

What to watch

  1. House of Councillors timing. Japan's Upper House passes most bills the Lower House clears, but timing matters: a vote before the Diet's summer recess locks in a 2027 effective date; a slip to the autumn session pushes implementation rules into 2028 and risks staggered effective dates between the regulatory and tax components.
  2. FSA implementing regulations. The statute is one document; the operative rules will be cabinet orders and FSA cabinet office ordinances issued through 2026 and into 2027. Watch for the listing-decision disclosure list and the insider-trading "material fact" catalog — both are the day-to-day compliance surface for exchanges and token issuers.
  3. Exchange registration gap. Operators serving Japanese residents without an FSA crypto-asset registration have a deadline that will be set in the Upper House version or the cabinet order. Coincheck, bitFlyer, GMO Coin and the rest are registered; overseas exchanges accessing Japanese users via reverse solicitation will face the 10-year/JPY 10M exposure once the law takes effect.
  4. Spot ETF filings. The first FSA filings for spot Bitcoin or Ether ETFs are the operational test of the new framework. Pre-filings during the Upper House debate would be the leading indicator.

Context — the regulatory pattern

Japan is the second G7 jurisdiction this year to move its crypto statute from a payments framework to a markets framework. South Korea's August 2025 Virtual Asset User Protection Act, Phase 2, did the same kind of move on the consumer-protection side; the EU's MiCA — already live — and the UK's FCA crypto regime are markets-law frameworks by design. The FIEA amendment also closes a divergence that had built up since 2017, when Japan's original payments-law treatment was state-of-the-art and is now an outlier in the G7.

The tax cut from 55% to 20% is the headline retail number, but the institutional read is the reclassification: a domestic spot Bitcoin ETF on the TSE is now a question of FSA process, not statute. The first filings will arrive once the Upper House clears the bill.

Sources:

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