The back of the invoice needs to be signed and dated by the manager, and the front needs to be signed by the competent leader for the approval of the financial department.
Agent refers to the person who handles something, that is, the person who is fully responsible for completing the signature of something. The handler is the initiator and handler of the events in the department, and the things handled need to be checked by the supervisor above. Those who handle matters according to law or ex officio shall not bear legal responsibility for handling matters.