In the main section of your letter, mention your intended last working day. Please be advised that I am resigning from my role as Product Manager with ABC Company.My last day in the office will be May 20, 2023. Separation Procedures. Clearly state the intention to resign, citing the last working day. Avoid excessive details. Hey all, what's considered a normal notice to give when you get a new job? Provide the date of your last working day: In the same paragraph, provide the date of your last working day. The recommended timeline for providing a resignation letter is at least two weeks prior to your planned last day.