✔ 最佳答案
From : XXXX Department
Date :
Dear (Name of the staff),
Re. : Warning Letter
Absent From Duty(underline this)
I am writing to warn you that you are not on duty on xx/xx/xxxx. Confirmed by your supervisor, and we find that you have not informed why you are absent from duty. So, we take action to give you the final notice that such behavior is not allowed in our company. We hope this will not happen again in the futer.
Thank you for your kindly attention.
Authorized by
XXXXXXXX