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 this article, we discuss what a resignation letter is, how to write one and provide parttime resignation letter examples.Dear (managers name), Please accept this as my formal resignation from my position as a (position you held) from (company name). Write a simple two sentence resignation letter addressed to your boss. In the first sentence, state that you are resigning your position. A resignation letter form is a tool for employees who want to leave their current position for a new one. Be Concise and Clear: While expressing gratitude is important, keep the letter concise and to the point. State your intention to resign: Clearly state in the opening paragraph that you are resigning from your position. Be direct and to the point. Add contact details, company name, and date.