There are deed tax and maintenance fund invoices when buying a house at the auction house. When signing online in the city where you are located, you can pay the deed tax and public maintenance fund to the developer, and you can get the invoice before handing over the house. Because the invoice is mainly used when buying and selling second-hand houses, because the deed tax invoice of the original owner is needed to determine the registration time of the house when buying and selling second-hand houses.

1. When differential tax or differential value-added tax needs to be paid, it is usually necessary to look at the original deed tax invoice to verify the original value of the house.

2. When handling the transfer, the deed tax invoice is a mandatory receipt in the registration application materials.

3. The maintenance fund can only be used for overhauling, updating and transforming the public parts of the property, facilities and equipment used by * * after the warranty period expires. The specific owners shall share the cost proportion according to the determination standard of voting rights.

4. When the maintenance fund is idle, it is forbidden to use it for other purposes except for purchasing treasury bonds or other funds as stipulated by laws and regulations.