How do I handle giving the profession courtesy of giving a two weeks notice even though my vacation will fall during that time? I went to HR, asked how much vacation time I had accrued, and filled in the date on my letter of resignation, then signed it in front of her.There's also the option to turn your "2 weeks notice" into a "3 weeks notice": state your intention to leave 2 weeks before your PTO starts. In this article, we explain how to write a twoweek notice letter and we provide templates, tips and examples to help you get started. Company policy can determine when any benefits are due, such as vacation, sick leave and severance packages. Can you use vacation time for 2 weeks' notice? Managers may be able to deny PTO requests from employees who resign with a 2-week notice letter.