This is an official document that includes your date of resignation, the reason for leaving and your signature. Prepare a written, dated, signed resignation letter that indicates the effective date of your resignation.It's best to tell your boss that you're moving on to the next step in your career "facetoface or over video call," with at least two weeks' notice. 1. You send an email to your supervisor informing abt your resignation. HOA board mass resignation is a real problem in many homeowners association communities. Learn how to deal with it here! How to fill out the Director Resignation Letter Template for Companies? 1. Enter the date on the letter. 2. Are you holding a Directorial position in a company and wish to resign from the position? Then, you can check out the Sample Resignation of Director Letter.