You are allowed to withdraw an offer at any time before acceptance. A revocation of offer is the withdrawal of a previous offer to engage in some sort of legally binding contract.If the party making the offer decides to revoke it, the revocation is effective as soon as the person receiving the offer becomes aware of it. Can a Home Buyer Back Out of an As Is Contract in Phoenix? Yes, an employer can sometimes rescind an offer even after the new hire has signed it. This isn't common but it does happen. If you had a job offer rescinded, you might have claims for breach of contract, promissory estoppel, or fraud. Whoever makes an offer can revoke it as long as it hasn't yet been accepted. Be sure to complete and return these forms in a timely manner. Prepare for Home Inspection.