How To Write A Promotional Letter To Promote Business . All of the details of the promotion letter should be listed in the body, including the name of the employee to be promoted, position in which the employee will be promoted to, purpose or. This provides them with a better grasp of the new role. 18+ Business Promotion Letter Templates Free Samples, Examples Download from www.template.net These letters serve as a formal method of communication between an organization and the employee receiving a promotion. Address the receiver with a proper salutation. These sales promotion letters are written to draw the.