Looking to resign with a One Month Notice Resignation Letter? Use our resignation letter template for notice-period roles.Yesterday I gave my two weeks notice along with my letter of resignation. The letter stated that my last day would be September 11th. Learn how to write a resignation letter with a notice period. I regret to inform you that, after much thought, I have decided to resign. Please accept this letter as a formal notice of my resignation. President Jimmy Carter (right) and wife Rosalynn sit in the sanctuary at Maranatha Baptist Church in Plains, Georgia. I turn my notice in at work a month ago. I wrote it on a sympathy card.