In the case of accepting a resignation, for example, the board is free to insert "with regret" in the actual motion, after the word accepts. You want to give at least a two weeks' notice.Dear (NAME), It is with both regret and anticipation that I officially submit this letter of resignation, effective today. State the regretful nature of the situation. Make it clear that if you had a choice in the matter, this would not be happening. If you regret the loss of the employee, but have a positive feeling about the arrangement, allow the letter to express your sincere regret. It had been a pleasure working with the 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. Resignation Acceptance Email templates: Discover how to write an effective resignation acceptance letter. I regret to inform you that I am resigning from my position as communications director for ABC Company.