IRS Form 8949 — Sales of Capital Assets → Japan 🇯🇵
National Tax Agency + FSA · Miscellaneous income — progressive up to 55%
National Tax Agency + FSA accepts the IRS Form 8949 — Sales of Capital Assets only with a cost-basis report and certified Japanese translation.
Koinly Enterprise + CoinTracker Pro + custom on-chain parsers for DeFi/NFT positions standard tools cannot handle.
Japan regime: Miscellaneous income — progressive up to 55% — NTA 2019 + 2023 update · 2025 reform proposal splits listed crypto into flat 20% bucket.
Treaty: JP-Thailand DTA 1990 · Document language: Japanese.
End-to-end: reconcile cost basis (3-7 days) → prepare IRS Form 8949 — Sales of Capital Assets (7-21 days) → MFA Apostille → National Tax Agency + FSA.
First-pass acceptance: 97-99%.
Coverage
How it works
- 1
Map cost basis to destination regime
Method accepted by Japan — Miscellaneous income — progressive up to 55%.
- 2
Prepare IRS Form 8949 — Sales of Capital Assets
7-21 working days at 12,000-45,000 บาท.
- 3
Japanese translation
Registrar-listed translator with crypto/DeFi/NFT glossary.
- 4
MFA legalisation
Chaeng Wattana — 2-3 working days.
- 5
Apostille
MFA Apostille route.
- 6
File with National Tax Agency + FSA
e-Filing portal or via destination tax-counsel network.
Frequently asked questions
How does Japan classify crypto?
Miscellaneous income — progressive up to 55%
Does Japan accept Thai Apostille?
Yes — MFA Apostille suffices.
Which treaty applies?
JP-Thailand DTA 1990
Translation language?
Japanese, by a translator accepted by the destination authority or the Thai MFA.
Is long-term holding tax-free in Japan?
Taxable in all cases (US/UK/JP/CA/NL/FR).
Estimated total cost?
12,000-45,000 บาท + translation THB 1,000-2,000/page + MFA THB 400 + free Apostille + National Tax Agency + FSA fees.
Timeline?
Reconcile 3-7 days + prepare 7-21 days + destination approval 14-60 days.