Use their name and formal title, such as "Dear Mr. Smith" or "Dear Dr. Johnson. Add contact details, company name, and date.Gov(opens in a new window). Learn how to write a short notice resignation letter with this stepbystep guide, template and examples of formal resignation. Office of the Cuyahoga County Prosecuting Attorney Conviction Integrity Unit External Membership Michael O'Malley Prosecuting Attorney Cuyahoga County, Ohio " She claims he asked her to leave and that he would expect a letter. Customer and sending a letter; however, the Law Department was not successful in the past. Kennedy did not state in his resignation letter why he is leaving his county post. See instructions before completing this form.