Those who fail to report the national tax annual report may apply for an extension, but the longest period cannot exceed 3 months. Otherwise, it will be punished by "adding a late fee of five ten thousandths of the overdue tax on a daily basis".

According to "People's Republic of China (PRC) tax collection and management law":

Article 31 Taxpayers and withholding agents shall pay or remit taxes within the time limit prescribed by laws and administrative regulations or determined by tax authorities in accordance with the provisions of laws and administrative regulations.

Taxpayers who are unable to pay taxes on time due to special difficulties may, with the approval of the State Taxation Bureau and the Local Taxation Bureau of provinces, autonomous regions and municipalities directly under the Central Government, postpone paying taxes for a maximum of three months.

Article 32 If a taxpayer fails to pay the tax within the prescribed time limit and a withholding agent fails to pay the tax within the prescribed time limit, the tax authorities shall order him to pay the tax within the prescribed time limit, and impose a late fee of 0.5% of the overdue tax on a daily basis from the date of overdue payment.

Extended information "People's Republic of China (PRC) tax collection and management law";

Article 33 Taxpayers shall reduce or exempt taxes in accordance with the provisions of laws and administrative regulations.

Local people's governments at all levels, competent departments of people's governments at all levels, units and individuals who violate the provisions of laws and administrative regulations and make decisions on tax reduction or exemption without authorization are invalid, and the tax authorities will not implement them and report to the higher tax authorities.

Article 34 When collecting taxes, tax authorities must issue tax payment vouchers to taxpayers. When a withholding agent withholds or collects taxes, if a taxpayer requests the withholding agent to issue a certificate of withholding or collecting taxes, the withholding agent shall issue it.

Article 35 Under any of the following circumstances, the tax authorities have the right to verify the tax payable:

(a) in accordance with the provisions of laws and administrative regulations can not set up account books;

(two) in accordance with the provisions of laws and administrative regulations, accounting books should be set up but not set up;

(3) destroying account books without authorization or refusing to provide tax payment information;

(four) although the account books are set up, the accounts are chaotic or the cost information, income vouchers and expense vouchers are incomplete, which makes it difficult to audit the accounts;

(5) Failing to file tax returns within the prescribed time limit due to tax obligations, and failing to file tax returns within the time limit ordered by the tax authorities;

(6) The tax basis declared by the taxpayer is obviously low without justifiable reasons.

The specific procedures and methods for the tax authorities to verify the tax payable shall be formulated by the competent tax authorities of the State Council.

Baidu Encyclopedia-People's Republic of China (PRC) Tax Collection and Management Law