Legal analysis: A tax agent can be a legal person. The tax agent is not liable. However, in all the procedures submitted, all shareholders must sign the power of attorney, and where they want to sign, they must sign with their own hands.

Legal basis: People's Republic of China (PRC) Company Law.

Article 3 A company is an enterprise legal person, which has independent legal person property and enjoys legal person property rights. The company is liable for its debts with all its property.

Shareholders of a limited liability company shall be liable to the company to the extent of their subscribed capital contribution; Shareholders of a joint stock limited company shall be liable to the company to the extent of the shares subscribed by them.

Article 4 Shareholders of a company shall enjoy the right to return on assets, participate in major decisions and choose managers according to law.