Legal basis: Taxable contents in Article 2 of the Provisional Regulations on Stamp Duty in People's Republic of China (PRC): 1, purchase and sale, processing contracts, construction engineering survey and design, construction and installation engineering contracts, property leasing, cargo transportation, warehousing, loans, property insurance, technology contracts or documents with contractual nature; 2. Transfer of property rights; 3. Commercial account books; 4. Photos of rights and licenses. Other tax documents determined by the Ministry of Finance.