Learn why you must write a job acceptance letter and how to write one with a professional touch through our tips and free samples. 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. 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. Writing a job acceptance letter is a sign of professionalism. Check out these job acceptance letter samples to write a perfect acceptance letter Dear Happy: It is with great pleasure that I accept your offer to fill the position of Acquisition Assistant. In this comprehensive guide, we'll walk you through the entire process of writing a stellar job acceptance letter that not only secures your new position. A cover letter is a short letter written directly to the person who will read your job application and resumé. Employers often ask job seekers to fill out an application before an interview.