You'll need to formally accept your offer. You will get no response whatsoever to four out of five job applications.If you don't receive a reply, you could also consider calling their office or contacting someone else in the HR department. A sample letter declining a job offer after accepting it can take many forms, but as a rule you should keep it short, to the point, and completely professional. Before accepting a job offer, it's smart to ask questions of your future employer. You want to be confident going into a job that it's the right fit. If you don't receive a reply, you could also consider calling their office or contacting someone else in the HR department. I am writing to confirm my acceptance of your employment offer on April 20 and to tell you how delighted I am to be joining XYZ Corporation in Chicago. There is no official definition of job abandonment in the statute or the TWC regulations. Regrettably, however, the purpose of this letter is to withdraw my previous acceptance of your offer.