'Tis the season for holiday office parties. If you're making a toast at a professional gathering, you'll need to keep a few things in mind. Is humor a good idea, or no? Is it acceptable to use notes? When to start? How long should it go? The art of the toast is no easy task. Our Esquire Guy columnist explains the key technical matters of toasting etiquette.

Related: How Do I Deliver a Really Good Toast at the Holiday Party?