Sources and update log
Official documents we rely on
The official documents are published in Japanese. The links below go to the original pages.
- Ministry of Finance, “Outline of the FY2026 Tax Reform” (in Japanese)
- Ministry of Finance, “Finance-related bills in the 221st Diet session” (in Japanese)
- Ministry of Finance, “FY2026 Tax Reform” brochure (in Japanese, PDF)
- Japan Customs, “Simplified tax rates for low-value imports” (in Japanese)
- Japan Customs pamphlet, “Customs clearance for personal imports” (in Japanese, PDF)
- National Tax Agency, Tax Answer No. 6563 (in Japanese)
Update log
| Date | What changed |
|---|---|
| October 11, 2026 | Site launched in Japanese (how the tax works, the exemption, items not exempt, examples, the 2028 changes, calculator). |
| October 12, 2026 | English version added. |
What we could not confirm
- How shipping is treated: it is not stated in the Customs pamphlet, so we calculate on an assumption taken from practical guides.
- How the taxable value is decided from April 2028: waiting for Customs guidance.