The property right certificate of Xiwan apartment shop specifically includes the house ownership certificate and the land use right certificate, but in some places it may also be the property right certificate issued by the housing management department and the land management department. With the title certificate, apartments and shops in Xiwan can be disposed of, but some rights cannot be guaranteed without the title certificate. If there is no real estate license of Xiwan apartment shop, even if the buyer of Xiwan apartment shop has paid the house price and gone through the check-in formalities, legally speaking, the house of Xiwan apartment shop still does not belong to the buyer.

There are two main algorithms for the maintenance fund of Xiwan apartment shops; 1. Calculated according to the total purchase price of Xiwan apartment shop: 2% of the total house price; 2. Calculated according to the construction area of Xiwan apartment shop. When selling commercial houses in Xiwan apartment shops, the purchaser and the unit selling houses in Xiwan apartment shops shall sign the relevant maintenance fund payment agreement. Property buyers should pay the housing maintenance fund to the selling unit in accordance with the proportion of 2-3% of the purchase price of Xiwan apartment shops.

The above information is for reference only. I hope I can help you!