Example: I'm writing to inform you of my decision to resign from my position as a park ranger with the National Park Service, effective May 1st. First, let's cover some basic resignation letter don'ts: Don't give a reason for your resignation; Don't vent; Don't brag about your new job.Provide contact information. Include an email address and phone number where you can be reached once you officially leave the job. Download Minnesota Immediate Letter Of Resignation template, modify and send for signing using BoloForms Signature. A resignation letter is a form that gives notice to an entity or organization of an employee's intent to quit their job. Below you'll find a sample resignation letter informing the employer that the employee is resigning due to a new job opportunity.