Resignation acceptance letter template. Resignation Acceptance Email templates: Discover how to write an effective resignation acceptance letter.Under the common law, a resignation is not effective unless it is accepted, and a resignation may be rescinded at any time before it is accepted. Be clear and concise. In the body of the letter, immediately state your intention to resign and provide your reasoning, including only positive feelings towards your work experience. State your last day and thank them for the opportunity. If appropriate offer to train your replacement. Search statewide judicial forms. Despite the temptation to express strong emotions or settle scores, effective resignation letters adhere to a professional tone.