Legal analysis: Yes. It must be supported by authorization procedures and legal documents to confirm the validity of fingerprints as signatories and the validity of agency behavior. Otherwise, there will be defects in the construction of the contract and its effectiveness will be limited.

Legal basis: Article 162 of the General Principles of the Civil Law of People's Republic of China (PRC) * * * The civil legal acts carried out by the agent in the name of the principal within the scope of agency authority shall be effective for the principal.