Key Dates for 2026 Tax Filing
Important deadlines for filing your 2025 income taxes in Japan. Plan ahead and never miss a deadline.
Income Tax Filing Deadline
March 16, 2026
33
days until deadline
Refund Claims Start
You can start filing for tax refunds from this date if you're expecting a refund.
e-Tax Opens
The e-Tax electronic filing system opens. File early to avoid the rush and get faster processing.
Gift Tax Filing Opens
Gift tax (贈与税) filing period begins for gifts received in 2025.
Income Tax Filing Opens
The official income tax filing period begins. Tax offices accept paper and in-person submissions.
Income Tax Deadline
Final deadline for income tax filing. March 15 falls on Sunday, so extended to Monday. Late submissions may incur penalties.
Consumption Tax Deadline
Deadline for consumption tax (消費税) filing if you're a taxable business.
Deferred Payment Deadline
Final deadline to pay the deferred portion (延納) of your income tax if you elected to defer payment.
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