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. 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. Hiring managers want employees who project a professional image. Make sure your cover letter and resume are professional and error free. Complete your resume for Senior English class. The date, time and location will be indicated in the acceptance letter or sent at a later date. 8. Application procedure.