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.Employment Offer Letter Instructions. A sample letter offering a job contingent upon the results of a background check or other criteria. This letter serves as an offer of employment to you for the University Support Personnel System position. Learn how to write a professional job offer letter acceptance mail reply with joining date with an easy format and practical samples. Download Florida Employment Offer Letter template, modify and send for signing using BoloForms Signature. What should be included in a job offer letter? Thank you for this exciting opportunity. Include a space where the potential employee can sign and date the letter to signify their acceptance.