Employers can legally rescind a job offer for several reasons. They may decide that they can no longer afford the role or no longer require the position.Can an employer legally withdraw a prospective employee's job offer? In short, the answer is yes. As a general rule, an offer may be rescindedits just an offer, not a contractin fact, it may be withdrawn after acceptance too! Generally, companies do not withdraw written offer letters for no reason; omitting their explanation prevents any kind of meaningful answer. 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. There are many reasons why your employer may rescind a job offer. You may have failed a drug test. Revoking an employment offer is not illegal in most cases, but the decision should be given a full legal review before contacting the candidate.