An employer doesn't need a reason to withdraw an offer. They can simply say the position is no longer available, circumstances have changed and so on.Learn what a withdrawal letter is, how to write a letter of withdrawal and see a template and an example to help you write your own. Information and policies on withdrawing from all classes or the University, or taking a leave of absence. Be polite, don't make up reasons. Just tell them you regret to inform them that you can't take the position. If the individual has not accepted the job offer, the offer can be withdrawn. Employers should document the reasons for withdrawing their offer. Send them a physical letter that includes the information that was provided over the phone. All applications for postponements MUST BE MADE PRIOR TO YOUR DATE OF SERVICE.