Apology letter

XXX units:

Hello! First of all, please let me express my heartfelt apologies for today's events!
Due to negligence in work, today and his subordinates have made some uncivilized things in your unit, which has caused very bad effects on your organization. This is my dereliction of duty. Afterwards, I seriously reviewed my behavior. Lessons. In the future, I will lead by example and comply with the regulations of the unit and your organization. In addition, we will strengthen the education of our employees while self-reflection. We strive to be a model of civilized construction of civilized units. With a better look and your unit Continue to cooperate friendly.
In this incident, as a responsible person, I did not act as a model, so that both myself and my subordinates have made such a low-level misunderstanding. Therefore, here, I apologize to you on behalf of myself and your subordinates! Forgive me.

Sincerely!

XXX company leader: XXX
X year X month X day