How to Tip Your Server at a Restaurant. Tipping your server in a restaurant is expected, although not legally required, in the United States. There are customary. May 12, 2016  · Less than a year after testing out a no-tipping policy at 18 restaurants, Joe’s Crab Shack is backing off the pilot program. What has happened in the world of restaurant gratuities? I’ve recently been to three different restaurants where the…