How To Write A Professional Employment Verification Letter . An example is as follows; You must include the contact information right at the top, the date, and also the recipient’s contact information if you have it. 10+ Sample Employment Verification Letters PDF, Word Free & Premium from www.template.net However, in some circumstances, the letter can cover a wide range of information upon request by the third party. The information contained within the letter should be direct and brief. Find out who sends employment verification letters on behalf of your employer.