Write a letter of resignation giving your notice term, then hand it to your manager in person with a polite and professional explanation. Wait until your new job is fully secured and you have an agreed upon start date, then see how much time you want off before that start date.A two weeks' notice has generally been seen as a common courtesy. Though both are used to inform supervisors that you've chosen to no longer work with them. Learn how to write a professional two weeks notice letter with our easytouse template. Dear Dr. NAME: This letter is my official notification to you of my decision to resign from Wayne State University. Give notice: Aim to provide at least two weeks' notice.