This was not an easy decision to make, but I will be unable to meet the fifteenhour per week work requirement because of personal issues. Use one of our resignation letter templates.The complete guide to writing your resignation letter including expert tips, free copyable samples, and templates. Start with a two weeks notice letter. This will serve as a formal, written documentation of your intent to leave and your transition timeline. Learn how to write a resignation letter for personal reasons, with tips and sample letters for different scenarios. A two weeks' notice letter of resignation is a professional courtesy and at times a contractual obligation. Here's how to let your boss know you're leaving. Simply write that you're leaving for "personal reasons" after stating your intent to resign and your last day of employment with the company. I wish the company continued success in the future. Sincerely,.