Legal analysis: If the original client agrees. The legal effect of fax is recognized. If you are not at ease, you can sign for it by fax first, and then sign for the original by express delivery.

Legal basis: Civil Code of People's Republic of China (PRC).

Article 165 If the power of attorney is in written form, it shall specify the name of the agent, the matters to be represented, the authority and the time limit, and shall be signed or sealed by the principal.

Article 166 Where several persons are agents in the same agency, they shall jointly exercise their agency rights with others, unless otherwise agreed by the parties.