Learn how to write a professional resignation letter with our stepbystep guide including 15 resignation letter examples for various situations. This article will cover some pointers for writing a flawless resignation letter for graduate studies.This letter should specify your last day of work. Your department will forward a copy to the Human Resources Department for placement in your personnel file. The complete guide to writing your resignation letter including expert tips, free copyable samples, and templates. I would like to inform you that I am quit my job. The reason behind this my study. Below is a sample union resignation letter. You should check your union's constitution and bylaws to see if it is specific to whom a resignation must be sent. Due to my personal aspirations of higher studies it would not be feasible for me to stay in the company anymore.