Resident tax after Retirement…

Please pay.
Resident tax for employees working in the company is divided into 12 times a year from June of the year following the year in which the income occurred to May of the following year, and the following year, based on the annual tax amount of the resident tax calculated based on the income of the previous year. It is based on a special collection method that you pay when you pay your monthly salary.
The resident tax paid by you at the time of Retirement is levied on income during 2022 and is the remaining tax amount of the resident tax collected every month from June 2023, and is no longer deducted from the company salary for Retirement,Retirement.
On the other hand, in your case, there is a salary paid from the company that worked from January 2023 to November 2023, so the income during that time will be subject to residence tax the following year. Therefore, the tax amount decision and tax payment letter of advice were sent to have you pay from June, 2024, and it was not taxed twice.