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. A two weeks notice letter must be professional and concise. Clearly state the intention to resign, citing the last working day. Terminate is the word used for everyone. Get all of the latest Politics news from Belfast News Letter.