In this article, we discuss what to include in a professional resignation letter and we share examples of resignation letters you can use for reference. I am writing to officially tender my resignation from Sunshine Tech Solutions, effective November 15, 2023.Use one of our resignation letter templates. I am writing to inform you that I will be resigning from my position as (Title) at (Company Name). This resignation letter sample provides your employer with a letter for your file and also suggests that you've done everything you can to remain professional. The effective date should be one (1) calendar day after the last date worked. Staff Services Representative Signature. Date. The date of resignation becomes fixed upon receiving notice, and can only.