1. Purchase and sale, processing contract, construction project survey and design, construction project contract, property lease, cargo transportation, warehousing, loan, property insurance, technology contract or vouchers with contractual nature; 2, the transfer of property rights; 3. Business account books; 4, housing property certificate, business license, trademark registration certificate, patent certificate, land use certificate, license; 5. Other vouchers for taxation determined by the Ministry of Finance; The legal consultant contract is not within the scope of its collection, so stamp duty is not levied.