Need. According to the inquiry of China Travel Service. Com, the parties agree to use electronic signature, and its legal effect should not be denied because they use electronic signature or data message. Fraudulent use of electronic signature needs to bear civil liability, administrative liability and criminal liability, with emphasis on the punishment of administrative liability, such as fines and revocation of certification certificates. An electronic signer refers to a person who holds the materials for making electronic signatures and implements electronic signatures in his own capacity or in the name of the person he represents.