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. Just write a quick note. Customer: I put my 2 week notice in at king soopers and my last day is the 31st. 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. Give your two weeks notice in person. If you can't, email it.