A Resignation Letter is typically a formal document given to employers two weeks before an employee resigns from a role. Share this document.Notice should be in writing. State that you are resigning and when your last day will be. Download Pennsylvania Immediate Letter Of Resignation template, modify and send for signing using BoloForms Signature. It's pretty standard to give your employer at least two weeks notice when you quit. Am I retiring or resigning? No specific notice form is needed. However, all notices must be written. I hope to stay in touch.