① Agency is a legal act;
(2) Agency is a legal act carried out by an agent in the name of the principal, that is, instead of the principal;
(3) Agency is an independent expression of will made by the principal within the scope of authorization;
(4) The legal consequences of an agent acting within the scope of agency authorization directly belong to the principal, and the rights and obligations established between the agent and the third party (even the adverse consequences and losses of the agent) are borne by the principal, thus establishing the legal relationship between the principal and the third party.