(Planning Bureau), the third is the "Construction Project Planning Permit" (Planning Bureau), the fourth is the "Construction Project Construction Certificate" (Construction Bureau), the fifth is the "Commodity Pre-sale Permit" (Housing Authority).
2, the pre-sale license is the last of the five certificates for the document, is the Housing Authority is responsible for the approval of the processing, you can directly consult the local Housing Authority staff by phone, if the pre-sale license has been dealt with out of the five certificates of the district is complete, you can rest assured that the purchase!