The steps for filing an online tax return for a self-employed person are as follows:

First of all, open the official website of the tax office and log in to the system with your pre-registered business account and password. After logging in, select the option of "Declaration and Payment", and then click on "Tax Declaration" and "Individual Income Tax Detail Declaration" to carry out the relevant operations. At this stage, you need to fill in the business data in detail according to the actual operation situation, make sure the information is accurate and correct, click submit and complete the payment, so that the declaration process is completed.

Before starting the online tax filing, self-employed people need to go through the formalities related to online tax filing, which includes signing a tripartite agreement (i.e., an agreement between the taxpayer, the tax authority, and the bank account), and the tax office will assign a login password that is specifically designed to be used for filing the tax return online. With the digitization and modernization of tax administration, remote e-filing has become a mainstream way to provide self-employed individuals with a convenient and fast way to pay taxes.

When preparing for the declaration, the following information needs to be prepared:

The VAT Declaration Form (for general taxpayers) and its accompanying Tables I, II, III and IV. If the anti-counterfeit tax-control system is used, it is necessary to submit the IC card recording the tax information of the current period, as well as the data backed up on the floppy disk and the Schedule of Stub Coupons of VAT Special Invoice and the Schedule of Credit Coupons of VAT Special Invoice. Balance Sheet and Profit and Loss Account to reflect the financial position. If the retail business of refined oil products is involved, it is also necessary to fill in the Detailed Statement of Purchase, Sale and Inventory of Refined Oil Products. Depending on the requirements of the competent tax authorities, other specific declaration information may also be required.

For taxpayers implementing electronic information collection, in addition to providing electronic data, they are also required to print and submit the paper version of the VAT Return and Schedules to complete the full declaration process.