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.Please accept this letter as a notice of my resignation. Use one of our resignation letter templates. Please accept this letter as notice of my immediate resignation from the position of Events Technician at Ministry Sound Tech, effective April 1st, 2017. Learn how to write an immediate resignation letter with our comprehensive guide, including tips, examples, and a customizable template. Looking to resign with a 24 Hours Notice Resignation Letter? Use our resignation letter template for notice-period roles. Create an Immediate Resignation Letter without a notice period using our free printable templates. Resign with a professionally designed document.