When handling tax returns, taxpayers shall truthfully fill in the tax return form and submit the following relevant documents and materials according to different situations:

1, financial accounting statements and their explanatory materials;

2. Contracts, agreements and vouchers related to tax payment;

3, electronic tax data of tax control device;

4, the tax management certificate of business activities and off-site tax payment certificate;

5. Relevant certification documents issued by domestic or overseas notarization institutions;

6. Taxpayers and withholding agents' tax returns or tax withholding and collecting reports mainly include: taxes, tax items, taxable items or items that should be withheld and collected, tax calculation basis, deduction items and standards, applicable tax rate or unit tax amount, items and taxes that should be refunded, tax items and taxes that should be reduced and exempted, tax amount that should be withheld and collected, tax term, deferred tax payment and tax arrears.

7. When the withholding agent handles the tax withholding and collecting report, it shall truthfully fill in the tax withholding and collecting report form, and submit the legal documents of tax withholding and collecting and collecting and other relevant documents and materials stipulated by the tax authorities;

8. Other relevant documents and materials required to be submitted by the tax authorities.

Extended data:

Deadline for reporting in other months

1. The time limit for filing and paying taxes in 1 month, June, July, September and1February respectively ends on15th of the current month.

2. February 15 is a Saturday, and the tax filing period in February is extended to February 17.

3. March 15 is a Sunday, and the tax return period in March is extended to March 16.

4. There will be a three-day holiday from April 4 to 6, and the tax return period in April will be smooth to April 20.

5. There will be a five-day holiday from May/KLOC-0 to May 5, and the tax return period in May will be extended to May 22.

6. August 15 is a Saturday, and the tax return period in August is extended to August 17.

7. 1 1 month 15 is a Sunday, and 1 1 month is extended to1month 16.

In addition, in case of special circumstances, all localities need to adjust the time limit for filing and paying taxes, which should be reported to the State Taxation Administration of The People's Republic of China Network Security and Informatization Leading Group Office for the record in advance.

Baidu encyclopedia-tax declaration

State Taxation Administration of The People's Republic of China-Notice on Defining the 2020 Tax Reporting Period