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.A sample letter offering a job contingent upon the results of a background check or other criteria. Employment Offer Letter Instructions. This letter serves as an offer of employment to you for the University Support Personnel System position. Federal law requires that all employees complete an electronic I-9 verifying their eligibility to work in the United States. What should be included in a job offer letter? Include a space where the potential employee can sign and date the letter to signify their acceptance. I extend my gratitude to you for offering me the position of {Title} in {Company's name}. State the position you are applying for, how you found out about it, and ask for consideration based on your skills and experiences you have to offer.