Business Dinner Etiquette Students Outshine the Competition Class Before You Eat = Class While You Eat. This book is written because the more your climb the corporate ladder the more dining protocols matter. There comes a time to transcend cafeteria behaviors and café ways, and to display rules of etiquette for business dining; it is a ritual at which more than eating is done. On the way to the top there are stations and lines in Business Dining at which to stop.