Leaving Japan in September – How Can I Settle All My Taxes Before I Leave?

Hi everyone, I’m quitting my job on September 5 and leaving Japan on September 13. I want to settle all my tax obligations before I leave, so I’m trying to understand how everything will be calculated and paid.

• Local tax will be settled as a lump sum deduction from my final paycheck if possible.
• I’ll receive 5 days’ worth of salary from the September pay period on September 25. I’m wondering:
  • When will I get the withholding slip (源泉徴収票) for that final payment?
  • Will I need to settle tax on that separately, or can it be settled before I leave?
• Regarding income tax:
  • Income earned while a resident up to my departure will be taxed under regular progressive rates with deductions.
  • Income paid after I leave (like that 5-day pay) will be taxed at a flat 20.42% non-resident withholding rate.
• Since I’m leaving before year-end, I understand I have to complete the Year-End Tax Adjustment (YETA) via personal tax filing in September after I leave, but I’d prefer to finalize everything before departure if possible.

Any advice or experiences on how I can ensure my taxes are fully settled before leaving Japan would be really helpful!

Thanks in advance!

And yes, the post was fine tuned by ChatGPT 😀

edit – I am a Japanese citizen.