If the employee is resigning from Broward County Public Schools, attach this form to the Separation of Employment iForm. Hospitals as listed below.To resign from your position, complete and submit a resignation letter to your supervisor at least two weeks, or as soon as possible, before your last day. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own. Gov or fill out form 2574.