The following are the things to keep in mind when writing an immediate resignation letter: Write the date first. Explain only necessities.It's time to quit the job, and you're not giving two weeks' notice. Here's how to politely write a resignation letter, effective immediately. A resignation giving the appointing authority written notice at least two (2) weeks in advance of the last date of service (unless appointing. A letter of resignation is not an "offer" - it's a "notice" under the law. It is, in and of itself, a complete legal document. Learn how to craft a professional resignation letter without notice with our guide. I regret to inform you that I will be leaving XXX on June 13th, 2022. Transfer or reassignment shall include a mandatory two (2) week notice.