Explore readymade resignation letter templates tailored for different situations, learn about its essential components, and do and don'ts. So it's worth spending a little time making this two weeks' notice letter solid and polished.We've rounded up tips and examples for writing a resignation letter that'll help you maintain work relationships long after leaving a company. Dear (name of employer or HR representative's first and last name),. State the position you are resigning from and the effective date. Explain why you are resigning. How to write a short resignation letter? Consulting an employment lawyer when you're planning to resign with a non-compete is advisable. What should you say in a resignation letter? You resign effective (insert date) from the position of (insert position).