1. Open "Electronic Tax Bureau (reporting client)", enter industry information and password, and click Login. 2. Enter the declaration system, select "Enterprise Tax Quarterly Report", click "Fill in", and truthfully fill in the enterprise income tax return pushed by the system. 3. First fill in the off-balance sheet enterprise information, including enterprise information, type, whether it belongs to small and micro enterprises and industries restricted by the state. Among them, "number of employees" and "total assets" must be filled in truthfully. 4. Next, fill in the data in the form. Zero-declaration enterprises fill in all the data in the form as "0", and the form automatically calculates the tax payable as 0. Finally, don't forget to check the attachment information truthfully. After reviewing the declaration form again, select "Submit" to declare.

legal ground

Enterprise income tax law article 54 enterprise income tax shall be paid in advance in monthly or quarterly installments.

An enterprise shall, within 15 days after the end of the month or quarter, submit a tax return for prepaying enterprise income tax to the tax authorities and pay taxes in advance.

The enterprise shall, within five months after the end of the year, submit the annual enterprise income tax return to the tax authorities for final settlement and settlement of the tax refund.

When an enterprise submits an enterprise income tax return, it shall attach financial and accounting reports and other relevant materials in accordance with the regulations.