I will be retiring from the City of Riverside as of this effective date (last day on Payroll):. In the opening paragraph, make it clear that you are retiring.This article will address how to write a retirement letter of resignation and provide an example that you can use as a template for your own retirement letter. A letter of resignation should be submitted at least two weeks prior to termination of employment. Use this resignation letter sample as a model to advise your employer that you are resigning because you are leaving the workforce. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward. I wish you and the company all the best. Physically able to lift up to 40 pounds on a daily basis.