Which is the most effective way to discontinue service to an intoxicated customer?

The most effective way to discontinue service to an intoxicated customer is to approach them calmly and respectfully, explaining your concerns for their safety and well-being. Offer to call a taxi or rideshare service to ensure they get home safely. It's important to maintain a friendly demeanor to avoid escalating the situation while adhering to your establishment's policies on responsible service. Document the interaction if necessary, for future reference.