How to write a resignation letter that's effective immediately? Create an Immediate Resignation Letter without a notice period using our free printable templates.Resign with a professionally designed document. Resignation Letter No Notice. Customize any of these resignation letters in minutes using our free AI-powered resignation letter builder.. Use this resignation letter example to inform your employer that you need to resign immediately and will not be able to give two weeks' notice. If they terminate you immediately you can file for unemployment. If you rewrite your resignation letter you don't qualify for unemployment. Please be advised that I am resigning my position with immediate effect. Regards,. Even if you verbally hand in your notice, you must formalise it with a letter.