Give notice immediately and give them 3 weeks. If they want to ef around with your vacation, you can say that it's take it or leave it for you.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. 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. Learn how to write a professional two weeks notice letter with our easytouse template. When an employee is changed from full-time status to temporary or part- time status, such employee shall not be entitled to any vacation and shall discontinue. How many days notice do I have to give if I am planning to resign? It is a professional courtesy to give two (2) weeks' notice prior to resignation. Employees may submit paid time off (PTO) requests after they've given two weeks' notice, but employers can legally deny those requests.