It depends on the company, whether it is a general taxpayer or a small-scale taxpayer. General taxpayers declare before 15 every month, and small-scale taxpayers declare quarterly.

Legal basis:

Article 25 of the Law of People's Republic of China (PRC) Municipality on the Administration of Tax Collection, taxpayers must truthfully file tax returns, submit tax returns, financial and accounting statements and other tax payment materials required by the tax authorities according to actual needs in accordance with the provisions of laws and administrative regulations or the time limit and content of filing determined by the tax authorities in accordance with the provisions of laws and administrative regulations.

Withholding agents must truthfully submit the tax withholding and collection report form and other relevant materials required by the tax authorities according to the actual needs in accordance with the time limit and contents of the declaration stipulated by laws and administrative regulations or determined by the tax authorities.