What procedures do developers need to purchase 40-year-old serviced apartments?

To buy a 40-year-old serviced apartment, the developer needs to provide five certificates and two books, as follows;

Five certificates: state-owned land use certificate, construction land planning permit,

Construction project planning permit,

Building construction permits (Construction Work Permit)

, "Commercial Housing Sales (Pre-sale) License";

"two copies":

Housing quality guarantee,

Instructions for the use of the house.