Why do foreign lawyers need the original household registration book?

If you are an agent in a criminal case or need to prove the relevant identity relationship in the case, you need the original household registration book, but not others.

Delegation refers to entrusting things to others or other institutions. Legally speaking, when entrusting another person to exercise legitimate rights and interests on his or her behalf, the entrusting party must present the entrusting party's legal documents when exercising his/her authority, and the entrusting party shall not regret the entrustment for any reason. If the client makes any rights and interests that violate national laws, the client has the right to terminate the agency agreement. Within the scope of the legitimate rights and interests of the principal in the power of attorney, all duties performed by the principal shall be borne by the principal, and the principal shall not bear any legal liability.