Learn how to write an immediate resignation letter with our comprehensive guide, including tips, examples, and a customizable template. Download Pennsylvania Immediate Letter Of Resignation template, modify and send for signing using BoloForms Signature.How to write a resignation letter that's effective immediately? Dear (HR Manager's Name),. I would like to inform you that I am resigning from my position as Customer Service Manager, effective July 30, 2024. At the beginning of your letter, consider immediately describing your intention to resign. "I received your request that I submit my resignation in writing. What is a No Notice Resignation Letter? I wish you both great success going forward. In the meantime, please let me know if I can assist you in any way during this transition period. Sincerely,.