If you immediately "accept the resignation", it might be considered a discharge. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own.How to Write an Immediate Letter of Resignation? Customer: I have an employee who put in a two weeks notice(Texas). We accepted the resignation and made it effective immediately due to many factors. No advance notice of termination or resignation is required. Leaving a job isn't easy. This letter is to officially inform you that I resign from my position as xxxxxxx, effective immediately. When resigning without notice, your letter should state clearly that the resignation will be effective immediately. Due to unforeseen circumstances, I must resign from my position effective immediately.