In this article, we explain the benefits of reducing your work hours and how to write a resignation letter from a fulltime to parttime status. Use these resignation letter samples to formally notify an organization where you have a parttime job that you are you are submitting your resignation.Your letter of resignation should be short and professional. Hi Director - I'd like to put on my notice. Thank you for the opportunity. I have thoroughly considered my decision and believe it is in the best interest of both myself and the company to part ways at this time. But how do you transition from a fulltime job to a PRN job? Most importantly, what should be included in the resignation letter to an employer? Resignation is a voluntary termination from the University with notice on the part of the staff member. It must include the current date, the last day of employment, notification of resignation, and a formal sign-off.