Once a resignation has been accepted, it is upto the employer to decide whether an employee should be permitted to withdraw his resignation. Resignation acceptance letter template.Yes, you can attempt to withdraw your resignation. It will be up to the employer to decide whether or not to accept it. You can try to rescind, but they do not necessarily have to accept it. Two days later he sought to withdraw the resignation letter, but to employer refused to allow him to do so. If you're unable to withdraw online using PECOS, you can use a paper application. As mentioned in my resignation letter, I decided to resign due to some personal issues I had to face in the office.