You are due your bonus, new job or not. Once you receive your bonus, and the check clears, I would definitely give my resignation letter.Tips for Writing a Resignation Letter. Read below for tips on writing a resignation letter, as well as sample resignation letters. Want to know how to make your employees feel valued? Select a bonus letter example that truly speaks to them with our template and guide. The purpose of this letter is to inform you that Swift Core Labs has decided to grant you a bonus, following your resignation. So an employee of 8 years handed out his resignation letter and gave one month notice (until the end of July) for his departure.