The principal shall sign the entrustment contract (agreement). If Zhang San entrusts Li Si to attend the meeting, Zhang San is the principal and Li Si is the principal, and the power of attorney shall be signed by Zhang San.
A principal refers to a person who entrusts others to handle affairs for himself. In the securities brokerage business, the principal refers to a natural person or legal person who can buy and sell securities according to the provisions of national laws and regulations. Refers to the citizens, legal persons or other organizations (also known as sellers) who entrust the company to auction the auction items or property rights that they enjoy ownership or disposal rights.
Legal basis: Article 464 of the Civil Code of People's Republic of China (PRC). A contract is an agreement between civil subjects to establish, change and terminate a civil legal relationship. Agreements on status relations such as marriage, adoption and guardianship shall be governed by legal provisions on such status relations; If there are no provisions, the provisions of this part can be applied according to their nature.