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. Please accept this letter as notification that I am resigning from my position with ABCD Company on September 15.Please accept this letter as my formal resignation from (Position Name) at (Company Name), effective two weeks from today, (Current Date). In the body of the letter, immediately state your intention to resign and provide your reasoning, including only positive feelings towards your work experience. I apologize for any inconvenience this may cause. It requires no explanation from you as to why you are leaving or where you are going. Use a business letter format: Since an Immediate Resignation Letter is formal, you need to use official business formatting.