If you sign on behalf of the leader, if something happens, the person who signed on your behalf will definitely be responsible.
For example, if you sign on behalf of the leader without permission when the leader should have signed it, this is considered forgery, and you must bear all the consequences accordingly. For another example, if the leader cannot sign for various reasons, through authorization When you sign, whoever signs it will bear the corresponding responsibility. If something happens, the person who signed it will also be responsible.
Three important matters and one major are generally attended by the leadership team of the unit, and major matters are decided through collective research. Decision-making is carried out in accordance with the principles of "collective leadership, democratic centralization, individual deliberation, and meeting decision". All "three important and one major" matters within the scope of the unit's responsibilities must be collectively studied and decided. No individual or small number of people have the right to make decisions without authorization.
The main body for collective decision-making on "three important and one major" matters is the director's office meeting, chaired by the main leaders.