There is no need to pay stamp duty on the principal-agent contract. According to the law, contracts subject to stamp duty mainly include purchase and sale contracts, processing contracts, construction project contracts, property leasing, cargo transportation, warehousing, loan, property insurance, technology and other contracts, excluding agency contracts.

Legal objectivity:

Article 165 of the Civil Code of People's Republic of China (PRC) * * * If the power of attorney is in written form, the power of attorney shall specify the name of the agent, matters of agency, authority and time limit, and shall be signed or sealed by the client. Article 1 "Stamp Tax Law" Units and individuals that issue taxable vouchers and conduct securities transactions in People's Republic of China (PRC) are taxpayers of stamp duty and shall pay stamp duty in accordance with the provisions of this Law. Units and individuals that collect taxable vouchers for domestic use outside People's Republic of China (PRC) and within China shall pay stamp duty in accordance with the provisions of this Law.