1. The developer didn't get the land use certificate and didn't pay the land transfer fee.
2. The developer has gone bankrupt or been disqualified.
3. The project is still under mortgage.
4. The project completion acceptance is unqualified.
5. The developer didn't pay the deed tax.
6. There is an error in the area of commercial housing, and the overpayment is not completed.
7. There is something wrong with the agency process.