Year-End Tax Adjustment (Nenmatsu Chosei) in Japan

If you work in Japan, your company does a Year-End Tax Adjustment (Nenmatsu Chosei) every December.

This process checks whether you paid too much or too little income tax during the year.

🧾 What you need to do:
Submit the forms your company gives you — usually about your dependents, spouse, and insurance deductions.
If you have family members living overseas, you may need to show proof of relationship and money transfers to claim them as dependents.

💰 Result:

  • If you paid too much → you get a refund
  • If you paid too little → the difference is deducted from your salary

👉 It’s an important process that ensures you pay the right amount of tax before the year ends!

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