How to write a resignation letter that's effective immediately? This template provides more detailed information.Please accept this letter as notification that I am resigning from my position with ABCD Company on September 15. Please accept my sincerest apologies for being unable to provide you and the Davidson Team with a notification that includes a minimum two-week notice. Learn how to write a short notice resignation letter with this stepbystep guide, template and examples of formal resignation. Create an Immediate Resignation Letter without a notice period using our free printable templates. Resign with a professionally designed document. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward. Florida LLC Forms; Foreign LLC Forms.