When To Provide a Resignation Letter. The recommended timeline for providing a resignation letter is at least two weeks prior to your planned last day.Please accept this as my formal resignation from —— . This guide provides 20 professional 2week notice templates that are easy to personalize in Word. Each template has a different tone and style. Learn how to write a professional two weeks notice letter with our easytouse template. Looking to resign from your job? Learn how to write a professional and respectful two weeks' notice email with our helpful templates and tips. To notify your manager of your resignation, you can give a letter stating that you are leaving. The driver was killed in a subsequent shootout that also injured two officers.