If it's been a decent work environment and you've been treated fairly, I'd go ahead and give them two weeks notice. The following are the things to keep in mind when writing an immediate resignation letter: Write the date first.Explain only necessities. Giving a two week notice isn't required; it is merely a professional courtesy. North Carolina unpaid wages must be resolved after an employee's termination or resignation, even if they don't provide 2 weeks' notice. I will show up Monday and let them know I am leavingsuppose to be there to help calling customers to let them know of my resignation. Voluntary Resignation without Notice. An immediate letter of resignation serves as formal notification to an employer about an employee's imminent departure. 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.