Cancel leave application mail

Here is a sample email to cancel a leave application:

Subject: Cancellation of Leave Application

Dear [Manager's Name],

I am writing to inform you that I am cancelling my leave application that was submitted on [Date of Leave Application]. Due to [briefly mention the reason for cancellation, e.g. "unforeseen personal reasons" or "urgent work commitments"], I will no longer be able to take the leave from [Date of Leave] to [Date of Leave].

I apologize for any inconvenience this may cause and am available to discuss any alternative arrangements that may be necessary.

Thank you for your understanding.

Sincerely,

[Your Name]

Note: You can modify the email to fit your specific situation and company's policies. It's also a good idea to keep a professional tone and be respectful in your communication.