How to Write an Acceptance Letter for a Job Offer? 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. State how eager you are to start working for the company. Mention the proposed start date. Writing a job acceptance letter is a sign of professionalism. Check out these job acceptance letter samples to write a perfect acceptance letter After emailing the acceptance letter, receive a start date from the recruiter. Thank you for providing me with this opportunity. Your Acceptance Letter should restate the terms, including everything agreed to.