Sample emails and letters to accept an employee's resignation, explain company resignation policies, and confirm the last day of work. Learn how to write a short notice resignation letter with samples.Find a solution to the challenge of resigning on short notice. Can't give two weeks' notice? Here's how to write a short-notice resignation letter with examples and a template included. A shortnotice resignation letter informs an employer of your intention to resign with less than the standard two weeks' notice. I wish to inform you that your resignation has been accepted. Due to unforeseen circumstances, I must resign. I sincerely apologize for the short notice. Thank you for letting me know about your decision to resign from your position as administrative assistant.