It's pretty standard to give your employer at least two weeks notice when you quit. Learn how to write a resignation letter with a notice period.Some companies require an extended notification period to allow ample time to fill your position. There's no question that you CAN walk out tomorrow without giving notice at all, let alone 120days notice. PA law requires a 60 day notice of resigning, but I'm having a hard time determining the consequences of leaving my district before this 60 day period. Employees who resign their employment must give adequate notice and are expected to work during the notice period. There's no question that you CAN walk out tomorrow without giving notice at all, let alone 120days notice. You are also not required to list your reason(s) for quitting. In the letter, state the specific date you plan to leave work. Try to give at least two weeks' notice.