The first thing you should put on your job acceptance letter is the date. Include it underneath the header close to the top of your letter.Be concise and positive. Students are required to provide a letter from their employer that provides key details regarding the employment offer, as outlined in the sample letter below. In this article, we discuss what's in a job offer letter with steps on how to respond to one and an example you can review. A sample letter offering a job contingent upon the results of a background check or other criteria. Authorization to work in the U.S.. 1. Students are required to provide a letter from their employer that provides key details regarding the employment offer, as outlined in the sample letter below. Date selected to fill the position. 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.