Responsible reply
Thank you for contacting me. I apologize for missing the deadline and take responsibility for the delay. I have completed the assignment and would appreciate the opportunity to submit it, even with a penalty if necessary.
Responsible messages for explaining a late submission. Choose the tone that fits your situation, then copy and personalize it.
Thank you for contacting me. I apologize for missing the deadline and take responsibility for the delay. I have completed the assignment and would appreciate the opportunity to submit it, even with a penalty if necessary.
I apologize for the late submission. I experienced an unexpected issue that affected my ability to meet the deadline. Would it be possible to submit the assignment by [date]?
I apologize for the delay and understand the importance of the deadline. May I submit the completed assignment by [date]?