Customer: Hello, I'm from Florida. This letter acknowledges an employer has received and accepts an employee's notice of resignation, copies of which should be sent to the resigning employee.In this article, we explain how to construct a formal resignation letter as well as provide an example to help you write your own. The short answer is 'no'though two weeks may be necessary if you signed an employment agreement. Employee Acknowledgement. I would like to inform you of my intention to resign from (Position Name) at (Company Name), effective two weeks from today, (Current Date).