1 This must be the signature of the leader of your company.

2 If it is signed by the legal representative himself, then the signature of the legal representative is sufficient. Authorizer can be empty.

If the legal representative himself does not sign, then sign in the place of the authorized person.

There can only be one signature in 2 places.

3 This is an employee.

If it is done on behalf of someone, it is the signature of the person doing it.

4 There is actually no difference. The key is to indicate the name of the boss.

But the boss usually won’t sign in person, so let the authorized person sign.

It doesn’t matter if the agent signs. As long as the names of each place are spelled correctly, there will be no problem.