Professional notice of at least two weeks is expected. Use a one week notice letter template to inform your current employer that you plan to resign within seven days.Taylor discusses 6 key aspects of writing a resignation letter, including when to give notice, what to say, how to format it, and how to deliver it. A resignation letter needs to include your contact information, official notice that you're resigning, and when your final day of work will be. Learn how to write a resignation letter with a notice period. Most of the time, it is better to resign from a job formally while giving at least two weeks' notice. A resignation letter need only consist of. Your emailed resignation letter should be sent to your immediate supervisor, with a copy to the Human Resources department at your workplace.