How To Write A One Week Notice Resignation Letter . Describe the reason as we mentioned above, under normal circumstances, an employee should notify the supervisor about the intent to leave two weeks in advance. Two weeks notice resignation email sample. 1 Week Notice Resignation Letter from www.icover.org.uk However, i regret that, due to. Snow this letter is to inform you of my one week notice of resignation from my position as sales coordinator with west coast corporation. First, make sure that this kind of resignation letter follows the rules and format well.