legal ground
According to Article 14 of the Individual Income Tax Law of People's Republic of China (PRC)
The tax withheld by withholding agents every month or every time shall be turned over to the state treasury within 15 days of the following month, and a personal income tax return for withholding shall be submitted to the tax authorities.
Where a taxpayer or withholding agent handles the tax refund for the taxpayer, the tax authorities shall, after examination, handle the tax refund in accordance with the relevant provisions on treasury management.
Article 12 stipulates that
Taxpayers obtain business income, calculate individual income tax annually, and submit tax returns to the tax authorities within 15 days after the end of each month or quarter, and pay taxes in advance; The income shall be settled before March 3 1 of the following year.
Taxpayers' income from interest, dividends and bonuses, income from property leasing, income from property transfer and accidental income shall be calculated on a monthly or quarterly basis. If there is a withholding agent, the withholding agent shall withhold and pay taxes on a monthly or quarterly basis.
skill
The above answer is only for the current information combined with my understanding of the law, please refer carefully!
If you still have questions about this issue, I suggest you sort out relevant information and communicate with professionals in detail.