Final answer:
True. Establishments are required to request identification from guests who appear to be under the legal drinking age to prevent the sale of alcoholic beverages to minors.
Step-by-step explanation:
The statement is True. According to responsible service of alcohol (RSA) guidelines, establishments are required to request identification from guests who appear to be under the legal drinking age. This is done to ensure compliance with the law and to prevent the sale of alcoholic beverages to minors.