When signing the contract, the name of the signing principal shall be indicated, but the signing agent shall also be indicated. A civil juristic act carried out by an agent in the name of the principal within the scope of agency authority is effective for the principal. An entrusted agent shall exercise the power of agency as entrusted by the principal. Article 162 of the Civil Code: A civil juristic act carried out by an agent in the name of the principal within the scope of agency authority is effective for the principal.