An entrusted agent shall exercise the power of agency as entrusted by the principal ; a statutory agent shall exercise the power of agency as prescribed by law ; and an appointed agent shall exercise the power of agency as designated by a people s court or the appointing unit 委托代理人按照被代理人的委托行使代理权,法定代理人依照法律的规定行使代理权,指定代理人按照人民法院或者指定单位的指定行使代理权。