When You Need To Explain A Late Submission messages in a Direct tone

I’m sorry for any inconvenience caused by the delay.

I appreciate your understanding given the delay.

I know this is past the deadline—thank you for taking a look.

I understand deadlines are important—I appreciate you taking a look despite the delay.

I just wanted to follow up and acknowledge again that I missed the deadline.

I appreciate your understanding—this was submitted late, and I take responsibility for that.

I appreciate any opportunity to receive feedback.

I’m following up to make sure I didn’t miss anything further on my end.