A customer who arrives already showing signs of intoxication should be:

A customer who arrives already showing signs of intoxication should not be served alcohol, because serving an obviously intoxicated person is illegal and increases the risk of harm. The server's responsibility to assess intoxication applies from the moment the customer seeks service, not only after they have been drinking on the premises. The server can offer water, food, or assistance and, where appropriate, help arrange safe transportation, but should refuse further alcohol. Recognizing pre-existing intoxication is a key responsible-service skill.