How do write apology letter for late submission of the pan card for verification in a company?

Subject: Apology for Late Submission of PAN Card

Dear [Recipient's Name],

I sincerely apologize for the delay in submitting my PAN card for verification. Unfortunately, [brief reason for the delay, if appropriate], which caused the oversight. I understand the importance of timely documentation and assure you it won't happen again. Please find the attached document for your review.

Thank you for your understanding.

Best regards,
[Your Name]
[Your Position]
[Your Contact Information]