Leaving a job isn't easy. Dear Sirs: Effective immediately, I am not a member of UFCW Local 99.You may submit a resignation letter via email or in hard copy. We've rounded up tips and examples for writing a resignation letter that'll help you maintain work relationships long after leaving a company. In the body of the letter, immediately state your intention to resign and provide your reasoning, including only positive feelings towards your work experience. Include the position title and the last day you intend to work. Commence your letter with a formal salutation and a concise introductory paragraph. The idea is to relay all the important information concerning your resignation while keeping it short and concise. In the opening paragraph, clearly state that you are resigning from your position.