Letter when employment is immediately ended​​ 15, 2020. In the opening paragraph, clearly state that you are resigning from your position.For instance, "Dear Jane" before announcing your resignation. 2. Thank them for their contributions and acknowledge their notice period. In most cases, you'll need to submit your resignation letter at least two weeks before your last day. Please regard this email as my formal notice of resignation. Your notice period will be observed according to your contract, and we will work closely with you to wrap up any outstanding responsibilities. It is with regret that I formally acknowledge receipt of your resignation notice on July 18th. During my notice period I would be keen to offer any help required in the transition. I would also update my team mates regarding the work I was handling.