1. Open "Know-it-all" and select "I want to do tax".
2. Select the "House Sales Tax Declaration" module.
3. Enter the "Real Estate Transaction Declaration" page and select the corresponding house type. Here, take "incremental housing (new commercial housing)" as an example.
4. Read the Application Form for Transaction Information Collection of Incremental Housing (New Commercial Housing) carefully, and click "Next".
5. Fill in the information of the purchaser, real estate information, information approved by the tax authorities, etc. , upload photos of relevant materials, and click "Submit Declaration".
6. After the application is successful, you can check the progress or cancel the application on the "My Application" page.
7. If you need to pay taxes, you can choose the "I want to pay taxes" module to pay taxes.
The above information is for reference only, and there may be differences in policies and operational procedures in different regions. If in doubt, please consult the local tax authorities for accurate information.